The combination of three main events, that were; Unrestricted Submarine warfare from Germany's behalf, the zimmerman telegraph, which was an incident where Germany sent a telegraph to Mexico asking them to deaclare war upon the U.S. and the sinking of the Lusitania in 1915 killing 128 U.S. and an additional 4 U.S. passanger ships carring supplies to Britain for the war effort.
For these reasons the U.S. based their grounds to start war, and declar war against Germany.
In world war 1,germany started the war,but in world war 2,japan started it and usa ended the war
world war 1 started July 28th 1914 and world war 2 started 3rd September 1939
Hitler started world war II
America didn't fight in World War 1!
none America didn't fight until world war 2
No, America entered WW1 in 1917, three years after the war started.
In world war 1,germany started the war,but in world war 2,japan started it and usa ended the war
I dont think he did, but it would be something to do with the german nations- World war 1 was started because of Russia and America, but if the German nations got involved, then Hitler would be mainly affected because his mother was from America and his father although German, had American family.
One big event that happened in America during World War 1 was that the economy started to improve. Industry also picked up during this time.
world war 1 started July 28th 1914 and world war 2 started 3rd September 1939
No world war 1 was started in 1914 . World war two started in 1939
America didn't fight in world war 1
Its World War 1 u idiot...
World War 1
World War 1 started in 1914 and ended in 1918, World War 2 started in 1939 and ended in 1945
World War 2 started.
america entered the war after pearl harbor