Reasons for U.S. Entry into WWI

What was the Lusitania?

• A German submarine

• A British passenger ship

• An American battleship

• A French cargo ship

How did the Lusitania's sinking affect the US decision to enter WWI?

• It led to an immediate declaration of war

• It increased public support for joining the war

• It resulted in a peace treaty with Germany

• It had no impact on the decision

What was the Zimmermann Telegram?

• A message from Germany to Mexico

• A British declaration of war

• An American peace proposal

• A Russian military strategy

Why was the Zimmermann Telegram important in WWI?

• It promised Mexico land in the US if they attacked

• It was a call for peace from Germany

• It led to the Russian Revolution

• It was a plan to invade Canada

Which countries were part of the Allied Powers supported by the US?

• Germany, Austria-Hungary, Italy

• France, Russia, United Kingdom

• Japan, China, India

• Spain, Portugal, Greece

How did the US support the Allies before entering WWI?

• By sending troops

• By providing loans and supplies

• By declaring war

• By signing a treaty

What is "unrestricted submarine warfare"?

• Submarines could only attack military ships

• Submarines could attack any ship without warning in neutral waters

• Submarines were restricted to coastal waters

• Submarines could not be used in warfare

Why did Germany's unrestricted submarine warfare anger the US?

• It violated international law about neutral waters. It also endangered American ships.

• It was a direct attack on American soil

• It led to the Russian Revolution

• It caused a shortage of submarines

How did the Russian Revolution influence the US entry into WWI?

• It left France and England without a powerful ally.

• It strengthened Germany's position

• It led to a peace treaty between Russia and Germany

• It had no impact on the US decision

How did the Lusitania incident, the Zimmermann Telegram, and unrestricted submarine warfare lead to the US entering WWI?

• They were unrelated events

• They increased support for the war

• They led to peace with Germany

• They kept the US neutral