Hoja de repaso: The Roaring Twenties Economic Boom

📋 Course Outline

1. Mass production and consumer boom
2. Advertising, electrification and new gadgets
3. Social change and migration in the 1920s
4. Unequal prosperity and poverty groups
5. Causes of America’s 1920s economic boom
6. The Great Depression and consequences

📖 1. Mass production and consumer boom

🔑 Key Concepts & Definitions

• Mass production of goods : Mass production is the manufacturing of large quantities of standardized products, often using assembly lines or automation technology.
• Assembly line : An assembly line is a factory system where workers and machines progressively assemble identical items in sequence.
• Economic boom : An economic boom is a period when the economy does well and many people benefit from rising prosperity.
• Consumer society : A consumer society is one where people frequently buy new goods, often beyond immediate needs, and value owning many things.

📝 Essential Points

• Henry Ford’s conveyor belt and assembly line let goods be produced faster and in much larger quantities.
• Because machines were easier to operate, factories could hire large numbers of unskilled workers.
• Mass production lowered prices, which increased employment and encouraged further spending on goods.
• Cheaper mass-produced products became widely available in chain stores and through mail-order firms.
• American demand for goods rose by 20 per cent, making the USA the first major consumer society.

💡 Memory Hook

Lower prices + more jobs → more buying → consumer boom.

📖 2. Advertising, electrification and new gadgets

🔑 Key Concepts & Definitions

• Electrification of America : Electrification of America refers to the spread of electricity that powered new household and consumer technologies.
• New gadgets : New gadgets are consumer appliances enabled by electricity, changing everyday home life.

📝 Essential Points

• Sophisticated advertising increased demand for the new mass-produced products.
• Electricity powered household devices such as refrigerators, washing machines, and vacuum cleaners.
• Travel became more popular as consumer life expanded.
• By 1928, 1 in 6 Americans had cars.
• Airline passengers rose from less than 6,000 in 1926 to about 173,000 in 1929.

💡 Memory Hook

Electricity + ads = gadgets people want (and buy).

📖 3. Social change and migration in the 1920s

🔑 Key Concepts & Definitions

• Social change : Social change is the shift in society’s patterns of life, opportunities, and attitudes as prosperity spreads.
• Migration to northern and eastern cities : Migration to northern and eastern cities is the movement from rural areas toward industrial urban centers.

📝 Essential Points

• Rising wealth helped fund schools and public buildings.
• Some rich industrialists donated to charities and created orphanages and hospitals.
• Migration increased from the rural Midwest and the South to industrial cities in the North and East.
• Black Americans were especially represented among those migrating to industrial cities.
• People became more confident in and proud of America.

💡 Memory Hook

Wealth builds institutions; migration reshapes where people live.

📖 4. Unequal prosperity and poverty groups

🔑 Key Concepts & Definitions

• Poverty line : The poverty line is the threshold used to judge whether people’s living standards are below an acceptable minimum.
• Groups left out of prosperity : Groups left out of prosperity are social groups that generally did not benefit from the 1920s economic boom.

📝 Essential Points

• For many Americans, the 1920s still included poverty despite overall prosperity.
• More than 60 per cent of Americans lived just below the poverty line.
• Farmers generally did not enjoy the prosperity of the Roaring Twenties.
• Black Americans, immigrants, workers in traditional industries, and working-class women generally did not share the boom.
• Prosperity and social change were linked, but benefits were uneven across groups.

💡 Memory Hook

Boom overall, but many stayed just below the poverty line.

📖 5. Causes of America’s 1920s economic boom

🔑 Key Concepts & Definitions

• Technological progress : Technological progress is the development of new methods and machines that improve production and efficiency.
• Cheap credit : Cheap credit is borrowing available at low cost, encouraging spending and investment.

📝 Essential Points

• The boom was driven by technological progress that enabled mass production of goods.
• Electrification helped expand production and power consumer technologies.
• New mass marketing techniques increased demand for goods.
• Availability of cheap credit supported consumer spending.
• Increased employment created a large pool of consumers, reinforcing the boom.

💡 Memory Hook

Tech + electricity + marketing + cheap credit + jobs → consumers → boom.

📖 6. The Great Depression and consequences

📅 Key Dates

Date	Event
1926	Airline passengers were less than 6,000 before rising later.
1928	1 in 6 Americans had cars.
1929	Airline passengers reached approximately 173,000.

📊 Synthesis Tables

Who benefited from the 1920s boom

Group	Typical outcome
Many Americans overall	Life improved for the majority, but not all.
Farmers	Generally did not enjoy the prosperity.
Black Americans	Generally did not enjoy the prosperity; also migrated in large numbers.
Immigrants	Generally did not enjoy the prosperity.
Workers in traditional industries	Generally did not enjoy the prosperity.
Working-class women	Generally did not enjoy the prosperity.

⚠️ Common Pitfalls & Confusions

1. Confusing mass production with skilled labor: the source stresses machines reduced the skill needed to operate them.
2. Mixing up availability channels: chain stores and mail-order firms are where cheap goods were readily available.
3. Assuming prosperity was universal: the source gives poverty figures and lists groups that generally did not benefit.
4. Forgetting the electrification link: electricity is presented as the power source for specific household gadgets.
5. Treating the Great Depression as covered in detail: the provided material only names it, without causes or consequences.

✅ Exam Checklist

1. Explain how assembly lines and mass production increased output and reduced prices.
2. Describe how mass production affected employment and demand, leading to a consumer boom.
3. Define economic boom and consumer society using the course meanings.
4. Identify how advertising and electrification increased demand for new consumer goods.
5. List the examples of electric gadgets and the travel/transport changes with the given statistics.
6. Summarize the main forms of social change linked to rising wealth (institutions, donations).
7. Explain migration patterns in the 1920s and who was especially involved.
8. State the poverty evidence (poverty-line share) and name the groups generally left out of prosperity.
9. List the main causes of the 1920s economic boom: technology, electrification, mass marketing, cheap credit, and employment.
10. Recognize what the source provides about the Great Depression (only the topic heading) and what it does not.