The Allies
1914
The u.s did join WW2
They joined the war in 1917.
They joined the war in 1917.
World War I
in 1956
in 1956
The 8th of December 1941 was the date that the US joined world war 2
Because of the sinking of 12 American merchant ships
to protect us from harm
England
They joined in1941