the sinking of the Lusitania.
most americans saw no reason to join the struggle
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
England
They joined in1941
zoosk
The Allies