The allies which were America and Great Britian
Yes
April 6th, 1917
April 6
After. Britian was one of the original contenders in the war whereas America only joined years later
France and Great Britain
The United States of America joined the Allied Nations in World War II.
Which war, the USA has been in a lot of war from the Revolution to Afganistan and Iraq.
It was bad idea for America to join World War 1 because of the impending war spending that would severely damage the economy. Also, the loss of men to war casualties would lead to labor unrest.
Great Britian
America joined because of Pearl Harbor.
America did not join the League of Nations