The First World War: Key Events and Concepts

These flashcards cover key events, motivations, and outcomes related to the First World War and the U.S. involvement.

What event triggered the beginning of the First World War?

The assassination of Archduke Franz Ferdinand in Sarajevo on June 28, 1914.

Which countries were involved in the alliance system that led to the war?

Austria-Hungary, Serbia, and other nations mobilized due to their alliance obligations.

What major factors contributed to U.S. neutrality before entering the war?

A tradition of non-involvement in European affairs, a vocal peace movement, and the presence of immigrants from both sides.

What significant action by Germany prompted the United States to enter World War I?

Germany's resumption of unrestricted submarine warfare in 1917.

What was the Lusitania and why was its sinking important?

The Lusitania was a British ocean liner sunk by a German U-boat, which swayed U.S. public opinion against Germany.

What was President Wilson's vision for post-war peace?

A free, open, and disarmed world, with an international organization for nations to resolve issues.

What was the outcome of the U.S. labor movements after World War I?

Labor movements faced backlash, strikes occurred, and there was a rise of anti-communist sentiments leading to the First Red Scare.

Who led the opposition against Wilson's post-war plans in Congress?

Senator Henry Cabot Lodge.

What was one of the 'war firsts' introduced during World War I?

Chemical warfare, such as poison gas.

What role did propaganda play during World War I for the United States?

It inspired public support for the war effort and vilified the enemy.