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Welcome! Today we will explore the major eras of modern U.S. history and see how the nation changed at home and abroad.
To understand modern America, we first look at the major eras from 1877 to the present. We start with the Gilded Age, move through world wars, and enter the Cold War, watching the nation grow into a global power.
In the late 1800s, political machines grew powerful by trading favors for votes, while native tribes faced harsh land-loss policies. These political and social struggles shaped how the government managed its power and citizens.
In the 20th century, the U.S. entered World War I due to German submarine warfare, and later entered World War II to stop Axis aggression after the Pearl Harbor attack.
After World War II, the U.S. responded to Soviet expansion during the Cold War. Under the Truman Doctrine, the U.S. pledged to contain communist aggression and support free nations.
Analyze how the U.S. responded to Soviet expansion in Europe immediately after World War II.
- Identify the core issue: Soviet expansion and the spread of communism in Europe.
- Examine the U.S. strategy: The U.S. chose containment to stop communism from spreading to new areas.
- Analyze the specific action: President Truman announced the Truman Doctrine to provide military and economic aid to nations fighting communist takeovers.
- Explain the outcome: This policy successfully helped Greece and Turkey resist Soviet influence, setting a pattern for the Cold War.
