WW1 and Roaring 20’s quiz prep

Confirmation Bias

Believing information that supports what you already think and ignoring other facts.

The Allies

Countries fighting against Germany in World War I (mainly Britain, France, Russia, later the U.S.).

The Central Powers

Countries fighting with Germany in World War I (Germany, Austria-Hungary, Ottoman Empire).

Unrestricted Submarine Warfare

Germany attacked any ships near Britain, even civilian ships, without warning.

Zimmermann Telegram

A message from Germany asking Mexico to fight the U.S.; the U.S. found out and got angry.

Why did the United States enter World War I?

German submarine attacks and the Zimmermann Telegram.

Wilson’s 14 Points

President Wilson’s plan for peace after the war, including fair treatment and a League of Nations.

Treaty of Versailles

The peace treaty that officially ended World War I and punished Germany.

League of Nations

An international group meant to keep peace and prevent future wars.

Why did the U.S. not ratify the Treaty of Versailles?

The U.S. Senate feared it would pull the U.S. into more wars.

The Sedition Act (1918)

A law that made it illegal to criticize the U.S. government during wartime.

Schenck v. United States (1919)

A Supreme Court case that said free speech can be limited during wartime.

Communism

A system where the government owns everything and people share resources.

18th Amendment

Made alcohol illegal in the United States (Prohibition).

19th Amendment

Gave women the right to vote.

Jim Crow Laws

State laws that enforced racial segregation in the South.

The Great Migration

When African Americans moved from the South to Northern cities for jobs.

The Harlem Renaissance

A period of African American cultural growth in music, art, and writing.

Flappers

Young women in the 1920s who challenged traditional rules and fashion.