When did the Americans enter ww11?

Why did Japanese-Americans generally face more restrictions than Italian or German Americans during world war two? When was the last underground nuclear bomb test? Why did the US and the United Kingdom think the Germany First strategy would be an effective strategy? What were the dates when the atom bombs were dropped in japan? What were the changes in warfare and weapons between World War I and World War 2? How did japan's location affect its culture? When did American troops capture Rome? Who was the first to bomb civilian targets in World War 2? There is a military camp here and a well known racecourse? You may fire when ready? What are the strategic skills used in the first crusade? What is the country of origin of the surname micallef? Which type of insurgent approach did the Chinese communist use to conquer china after world war ii? What is the number buried at the World War 2 Memorial in Washington D.C.? How many battles did Thutmosis III win? Where did America attack in world war 1? When was Nelly s toll born? What is the type of bleeding to be most concerned about? Why did north Vietnam find the US unprepared? What is a Bendict Arnold?