Period 7

Period 7: 1890-1945

Key Concept 7.1– Growth expanded opportunity, while economic instability led to new efforts to reform U.S. society and its economic system.

• Taylorism and the assembly line

• Progressive movement reforms

• "The business of the United States is business"

• Causes and effects of Great Depression, FDR's New Deal

Key Concept 7.2– Innovations in communications and technology contributed to the growth of mass culture, while significant changes occurred in internal and international migration patterns.

• The Roaring 20s

• Consumer culture

• New immigrants and xenophobia

• Red Summer

• The Great Migration

Key Concept 7.3– Participation in a series of global conflicts propelled the United States into a position of international power while renewing domestic debates over the nation’s proper role in the world.

• Reasons for American imperialism

• Opposition to American imperialism

• Causes and effects of World War 1

• Causes and effects of World War 2

Helpful Cartoons and Photos to Remember

Period Overviews

Key Concept Breakdowns

Topic Deep Dives