It's true because they since the Native Americans were being pushed backed so much by white frontier settlers, even though it was illegal for anyone to do this, so it caused a war.
Answer:
The Nazi's believed that they were the superior race.
Explanation:
Nazi's were known to be very demandings and cruel towards anyone who didn't fit Hitler's 'perfect criteria' (blonde hair, blue eyes; aryan race) Essentially wiping out everyone who wasn't like this was their master plan to make the perfect race and keep it that way. Fortunately, this perfect race plan did not work.
The U.S. sided with democratically based governments, especially after Nazi Germany attacked France and Britain. Pearl Harbor was an attack on the U.S.