What treaty ended World War I and contributed to the causes of World War II?

Which event is widely considered the start of World War II?

Which ideology was primarily associated with Adolf Hitler and the Nazi Party?

What economic condition in Germany during the 1920s contributed to the rise of Hitler?

What was the name of the policy adopted by Western democracies to deal with Hitler's expansions prior to WWII?

What economic factor contributed to the rise of totalitarian regimes in Europe before World War II?

Which leader's aggressive expansionism directly contributed to the outbreak of World War II?

What was one of the reasons for the United States' initial reluctance to enter World War II?