Hoja de repaso: World War II: Global Conflict and Atrocities

📋 Course Outline

1. Total war and global conflict
2. Origins of the Second World War
3. Axis conquests in Europe
4. Pearl Harbor and Pacific war
5. Allied turning point in 1943
6. Home front in Britain and the United States
7. Mass crimes in Eastern Europe
8. The Holocaust and extermination camps
9. The genocide of European Roma
10. War casualties and racial discrimination

📖 1. Total war and global conflict

🔑 Key Concepts & Definitions

• Total war : Total war is a form of large-scale conflict where a nation mobilizes nearly all resources, blurring the line between front line fighting and home-front life.
• War of annihilation : A war of annihilation is a conflict driven by mass violence and destruction, aiming to eliminate the enemy rather than only defeat forces.
• Globalization of the war : Globalization of the war is the spread of fighting to multiple world theaters as modern powers with imperial ambitions expand the conflict worldwide.
• Crime against humanity : Crime against humanity is a modern legal concept used to describe extreme atrocities committed during war, linked to a redefinition of war crimes.

📝 Essential Points

• WW2 caused an estimated 60 million deaths, with civilians outnumbering soldiers in casualties for the first time in this way.
• WW2 escalated mass violence to an industrial and global scale, combining new technologies, worldwide theaters, and unprecedented atrocities.
• The war is usually divided into 4 phases: opening moves (Sept 1939–Dec 1940), Axis offensive widens (1941–summer 1942), offensive checked (summer 1942–summer 1943), and Axis defeat (July 1943–Aug 1945).
• WW2 involved a major shift in world geopolitics, moving key power and responsibilities from European states to the United States and the Soviet Union.

💡 Memory Hook

Think “I-G-A-N”: WW2 total war = Industrial methods + Global theatres + Atrocity crimes + New geopolitics to the US/USSR.

📖 2. Origins of the Second World War

🔑 Key Concepts & Definitions

• Versailles treaty violation : political breach in which Germany repeatedly disregarded the post–World War I treaty terms, enabling renewed expansion in Europe.
• Rome-Berlin-Tokyo Axis : military-diplomatic alliance linking Germany, Italy, and Japan to coordinate imperial ambitions across Europe and Asia.
• Nazi-Soviet non-aggression pact : diplomatic agreement between Germany and the USSR in August 1939 that promised peace between them while preparing coordinated action in Poland.
• Tripartite Pact : alliance treaty signed in July 1940 that tied Japan, Italy, and Germany into a common Axis framework.

📝 Essential Points

• Hitler violated the Versailles treaty and expanded German territory in Europe, starting a chain of aggressive moves toward war.
• Italy’s imperialism targeted Southern Europe and Africa, including Albania, Libya, and Ethiopia.
• Japan’s imperialism in Asia began in 1931, feeding Axis momentum well before 1939.
• Germany and the USSR signed a non-aggression pact in August 1939 that also included a secret plan to invade and divide Poland.
• Germany invaded Poland on 1 September 1939, and the USSR invaded on 17 September 1939, leading to Poland’s defeat and occupation.

💡 Memory Hook

Steel (Axis), Triangle (Tripartite), Split (Poland): Axis binds in 1940 while Germany+USSR split Poland in 1939.

📖 3. Axis conquests in Europe

🔑 Key Concepts & Definitions

• Blitzkrieg tactics : A German warfare method aimed at fast, forceful breakthroughs to overwhelm the enemy before they can regroup.
• Dunkirk evacuation : A mass evacuation that withdrew Allied forces from Dunkirk beaches when the Wehrmacht surrounded them in 1940.
• Operation Barbarossa : Germany’s invasion of the Soviet Union launched on 22 June 1941 to destroy Soviet resistance quickly.

📝 Essential Points

• By late May 1940, Wehrmacht double-enveloped French and British forces and pushed them “to the sea,” leaving only Dunkirk in Allied hands.
• The British navy evacuated over 300,000 BEF and French troops from Dunkirk in 9 days, 27 May–4 June, using a mixed flotilla.
• Paris fell on 14 June 1940, and France surrendered on 22 June 1940 after the German advance southward.
• Germany occupied northern France and the Atlantic coast, gaining valuable submarine bases for the war at sea.
• Operation Barbarossa began on 22 June 1941 with 5.5 million men, 3,000+ tanks, 5,000 aircraft, over a front about 1,800 miles (2,900 km) long.
• Heavy rains and then severe frost below −38°C, plus fierce Soviet resistance, halted the German advance by the early winter of 1941, and the Soviets counterattacked in December 1941.

💡 Memory Hook

Dunkirk (27 May–4 Jun): 9 days, 300,000+ saved; Barbarossa (22 Jun 1941): stopped by winter below −38°C in 1941.

📖 4. Pearl Harbor and Pacific war

🔑 Key Concepts & Definitions

• Pearl Harbor : A major surprise attack in the Pacific after which Japanese forces rapidly gained control at sea and on land.
• US Central Pacific offensive : The American campaign led from Hawaii toward key Japanese island outposts in the central Pacific.
• Battle of Midway : A June 1942 naval battle where US forces defeated Japan and gained control of the central Pacific.
• Atomic bombings on Japan : US wartime air attacks that used two atomic bombs on Hiroshima and Nagasaki in August 1945.

📝 Essential Points

• After Pearl Harbor, Japanese naval and land forces initially swept aside opposition across the Pacific.
• US victory at Coral Sea in May 1942 was followed by the Battle of Midway on June 3–6, 1942 when four Japanese aircraft carriers were sunk.
• American offensives targeted Guadalcanal and other islands by August 1942, and Japan abandoned these islands after about 6 months of fighting.
• The Philippine Sea battle in June 1944 and Leyte Gulf in October 1944 were further decisive US victories at sea over Japan.
• In April 1945 the US took Okinawa, enabling an invasion attempt against Japan itself.
• Two atomic bombs were dropped on Hiroshima and Nagasaki in August 1945, and Japan formally surrendered in September 1945 after agreeing to surrender on 15 August.

💡 Memory Hook

Pearl Harbor momentum → Midway (June 3–6, 1942) breaks carriers → sea wins (Philippine Sea, Leyte Gulf) → Okinawa (Apr 1945) → Hiroshima/Nagasaki → surrender (15 Aug, signed Sep 1945).

📖 5. Allied turning point in 1943

🔑 Key Concepts & Definitions

• Leningrad blockade : A prolonged siege of Leningrad by Axis forces that caused extreme civilian casualties until it was lifted by the Red Army.
• Soviet re-taking of Kyiv : The Red Army’s capture of Kyiv in November 1943, ending German control of the city.

📝 Essential Points

• A land corridor into Leningrad opened on 18 January 1943, but the siege was only lifted on 27 January 1944.
• The siege of Leningrad began on 8 September 1941 with Axis forces encircling the city.
• The Red Army did not retake Kyiv until 6 November 1943, after German terror and mass killings in the area.
• As the Red Army approached Kyiv in August 1943, Germans carried out a cover-up by using 321 prisoners to exhume and burn mass graves.
• Some killings at Babyn Yar continued until the fall of 1943, only a few days before the Soviets re-took control of Kyiv on 6 November 1943.

💡 Memory Hook

18 Jan 1943 = corridor to Leningrad; 6 Nov 1943 = Soviets back in Kyiv.

📖 6. Home front in Britain and the United States

📖 7. Mass crimes in Eastern Europe

🔑 Key Concepts & Definitions

• Soviet mass rape : Mass violence consisting of rape committed by Soviet soldiers during the liberation of Eastern Europe and the occupation of Germany.
• War crimes aerial bombings : Aerial attacks judged as war crimes when raids hit civilian neighborhoods in addition to military or industrial targets.
• Postwar aerial-raid non-prosecution : A post-World War II outcome where no Japanese or German officers were prosecuted by the Allied war-crime trials for aerial raids.

📝 Essential Points

• Anthony Beevor estimates at least 1.4 million women were raped during the Soviet occupation of Eastern Europe and Germany, ages 8 to 80.
• The Soviet rape is presented as the greatest phenomenon of mass rape in history in Beevor’s work.
• Aerial bombings in 1944-1945 intensified against German and Japanese cities and were denounced as war crimes for striking civilian areas.
• Dresden was raided on 14–15 February 1945, killing around 35,000 people and causing large-scale destruction.
• In Tokyo, firebombs killed more than 100,000 people and destroyed much of the city, while Hiroshima and Nagasaki were hit on 6–9 August and killed about 200,000.

💡 Memory Hook

Liberation doesn’t mean safety: Soviet “liberation” included mass rape, and later Allied bombings also drew war-crime accusations.

📖 8. The Holocaust and extermination camps

🔑 Key Concepts & Definitions

• Sonderkommando : Sonderkommandos were Jewish prisoner work groups forced to remove bodies from gas chambers and burn them in crematory ovens.
• Concentration camps : Concentration camps were Nazi detention camps that held prisoners for forced labor within a large network across Germany and Central Europe.
• Extermination camps : Extermination camps were killing sites equipped for mass murder, located in former Polish territories including Chelmno, Belzec, Treblinka, Majdanek, Sobibor, and Auschwitz.
• Auschwitz-Birkenau : Auschwitz-Birkenau was an Auschwitz complex that became the main extermination site after 1943 with new gas chambers built in 1943.

📝 Essential Points

• The Nazi internment system included concentration camps and extermination camps, with extermination camps having lethal equipment in former Polish territories.
• Deportees in camps like Treblinka or Auschwitz-Birkenau were killed in gas chambers soon after arrival, and bodies were burned in crematory ovens.
• The extermination process used a model: sorting for labor suitability, confiscating possessions, killing the weakest in gas chambers, and forcing the strongest to labor under SS and Kapos.
• New gas chambers at Auschwitz-Birkenau were built in 1943 to handle growing deportation convoys of Jews from across Europe.
• About 1 million Jews and 300,000 non-Jews died in Auschwitz until its liberation by the Red Army in 1945.

💡 Memory Hook

Gas + ovens = arrival → gas chamber → crematory burning; Sonderkommando handle bodies and are then eliminated to remove witnesses.

📖 9. The genocide of European Roma

📖 10. War casualties and racial discrimination

🔑 Key Concepts & Definitions

• Japanese American internment : An emergency wartime detention program that relocated Japanese Americans to remote camps starting in 1942.
• Executive Order 8802 : A Roosevelt wartime executive order that required employers in defense work to stop discrimination.
• Black-only military units : Segregated armed-forces assignments where Black soldiers typically served in separate units led by white officers.

📝 Essential Points

• In 1942, U.S. authorities under General John De Witt rounded up 120,000 Japanese Americans in several West Coast states and Arizona.
• Most internees were held until 1945, with many losing property or being forced to sell it at very low prices.
• No difference was made between Issei and Nisei, and the policy was later described as being driven by racism rather than security.
• In 1945, Black sailors faced severe promotion limits, with only 58 reaching officer rank by war’s end.
• In July 1944, a deadly accident killed 323 people, most of them Black sailors, after which the navy was ordered to end racial discrimination in February 1946.

💡 Memory Hook

Interment→120,000 (1942) then held until 1945; navy discrimination→58 officers + 323 dead, ended in Feb 1946.

📅 Key Dates

Date	Event
Sept 1939-Dec 1940	4-phase period: opening moves
1 September 1939	Germany invaded Poland
17 September 1939	USSR invaded Poland
July 1940	Tripartite Pact signed
August 1939	Nazi-Soviet non-aggression pact signed
22 June 1941	Operation Barbarossa launched
7 December 1941	Japan attacked Pearl Harbor
June 3–6, 1942	Battle of Midway
8 September 1941	Leningrad blockade began
18 January 1943	Land corridor into Leningrad opened

📊 Synthesis Tables

Four phases of WW2

Phase	Timeframe	Key developments
Opening moves	Sept 1939-Dec 1940	Germany and USSR occupied Poland; Denmark/Norway occupied (April 1940); attacks on Holland/Belgium/France (May 1940); Battle of Britain (July-September 1940).
Axis offensive widens	1941-Summer 1942	Hitler invaded Russia (June 1941); Japan attacked Pearl Harbor (Dec 1941) and occupied territories; war becomes worldwide.
Offensive held in check	summer 1942-summer 1943	Axis defeats: Midway (June 1942); El Alamein (Oct 1942); Stalingrad (by Feb surrender).
Axis power defeated	July 1943-August 1945	All-out effort wears Axis down; Normandy landing (June 1944) and liberation; Germany surrendered in May 1945;

⚠️ Common Pitfalls & Confusions

1. Mixing up when Germany attacked Poland: it began on 1 September 1939, while the USSR invaded on 17 September 1939.
2. Confusing the phases of WW2 (Sept 1939–Dec 1940 vs 1941–Summer 1942 etc.) and placing Midway in the wrong phase.
3. Saying Operation Barbarossa started in 1940; it is launched on 22 June 1941 and breaks the non-aggression pact.
4. Thinking Pearl Harbor happened in 1942; it is dated 7 December 1941 and leads to the US entering the war within days.
5. Assuming Allied bombing was only military/industrial: the course says raids were denounced as war crimes when civilian neighborhoods were hit.
6. Believing the Holocaust is only “gassing”; the source emphasizes a full process (sorting, confiscations, gas chambers, crematory ovens, and “Sonderkommando”).
7. Underestimating Soviet crimes/violence during “liberation”: the course links mass rape and the Leningrad blockade to mass crimes.

✅ Exam Checklist

1. Define total war and explain how WW2 increases war mass violence (industrial warfare, civilians’ casualties, global scale).
2. List the main premises for the war’s outbreak: Versailles treaty violation, Italy’s imperialism, Japan’s imperialism since 1931, and the Rome-Berlin-Tokyo Axis structure.
3. Explain the non-aggression pact’s timeline and role, including the secret plan to invade and divide Poland.
4. Reconstruct the first phase in order: occupation of Poland, “phoney war,” April 1940 Scandinavia, May 1940 Blitzkrieg, Dunkirk evacuation (27 May-4 June), Paris capture (14 June), France surrender (22 June).
5. Describe how the conflict globalizes in the second phase: Operation Barbarossa (22 June 1941) and Japan entering the war via Pearl Harbor (7 December 1941) and subsequent Pacific occupations.
6. Name the three cited battles where the Axis offensive is checked (Midway, El Alamein, Stalingrad) and connect them to the summer 1942–summer 1943 phase.
7. For 1943 turning-point violence, state the Leningrad siege dates (begin 8 September 1941; corridor 18 January 1943; lifted 27 January 1944) and the Kyiv retaking date (6 November 1943).
8. Compare Pacific war turning points in the order given: Pearl Harbor momentum, Midway (June 3–6, 1942), Coral Sea (May 1942), Guadalcanal by August 1942, then sea victories (Philippine Sea, October Leyte Gulf).
9. Explain the end of the war sequence: D-Day (6 June 1944), liberation of Paris (25 August 1944), atomic bombs on Hiroshima/Nagasaki in August 1945, and formal surrender in September 1945 after 15 August agreement.
10. Explain WW2 mass crimes in Eastern Europe: occupation policies behind the German-Soviet pact (including Einsatzgruppen and NKVD/Katyń in March 1940) and key dates of Leningrad siege and Babyn Yar (29 September 1941; continuation until fall of 1943).
11. Describe the Holocaust camp system: concentration camps vs extermination camps, Auschwitz-Birkenau’s main role after 1943, the extermination model (sorting, “special treatment,” crematory burning), and the Auschwitz death estimate given.
12. Summarize WW2 human cost and discrimination elements from the course: civilian deaths exceeding military deaths, Soviet casualties estimate, Japanese American internment (1942 to 1945), and US navy racial discrimination ending in February 1946.