3: World War 2 was the first time where planes and tanks were a major part of warfare.
5: Adolf HItler was one of the main reasons of World War II, as he tried to take over the world.
6: These were the people that Hitler believed did not belong in society as he sent them to concentration camps to suffer.
9: The Pearl Harbor attack by the Japanese drug us into this war.
10: To make a statement to the rest of the world, at the end of the war we retaliated on Japan for their actions at Pearl Harbor by destroying 2 of their major cities.