The sinking of the Lusitania and sinking of American vessels. Also a telegram (no one knows if it is was real of fake) was sent from the British Empire to America, stating that they intercepted it from the Germans. The telegram read, "Mexico, if you join the axis powers you can have all the land you want in the United States,".
Of course no one knows if that is true or not.
America went to the first World War because of the Zimmerman Letter sent to Mexico by Germany that the U.S. intercepted during travel.
It joined by declaring war after the Japanese Attack on the US Fleet at Pearl Harbor.
The League of Nations
did us join war in1914 yes or no
The Japanese attack on Pearl Harbor.
People in the US felt that Europe was Europe's problem.
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 sinking of the LUSITANIA is what first caused the U.S. to join this disastrous of all wars, and
The 8th of December 1941 was the date that the US joined world war 2
England
They joined in1941
zoosk
The Allies