Which countries warned Hitler that he must not attack Poland?

Which country's fast-moving attack on Poland became known as blitzkrieg or lightning war?

Which countries entered into a three-way alliance called the Axis Powers?

Where did the Japanese attack on December 7, 1941?

Which countries fought to free North Africa?

Which countries were called the Allies?

Who was in charge of defending the Filipino nation?

Who claimed to be China's leader?

What was the Doolittle Raid?

Which of the following apply to the Battle of Midway?