Nothing - the start of the war had nothing to do with the US.
The United States entered the war much later as a result of a number of events, including the Zimmerman Telegraph and unrestricted submarine warfare.
The Americans, British, and The Soviet Union.
The ship carried 120 Americans and its name was the Lusitania.
When the Germans sunk the ocean liner Lusitania with Americans on board, especially Mr. Vanderbilt, the Americans and President Wilson were incensed. This led the Congress and President Wilson to declare war on Germany. Many Americans regretted this decision after the war.
German Americans tried to prove their loyalty by changing their names.
The British, Americans and Germans used tents to shelter men while the Soviets used men to shelter tents.
The media printed news on the sinking of the "Lusitania" and made most Americans hate the Germans for doing that. It was mostly used for good in World War 1.
they were in war with the japanese/germans/italians
Horses and Americans
it made them mad at Germans
sinking of the Lusitania
Germans Japanese Americans
The Americans, British, and The Soviet Union.
the Germans wanted the Mexicans to attack usa to avoid their intervention but the Americans found out about it
The Americans came in and killed the Germans, until they surrendered. :D
the Germans created the ray gun
There was a lot of war hysteria at the time ... Britain was, after all, at war with Germany (World War 1, 1914-1918).
the Japanese who basically worked with the Germans bombed Hawaii so that's why the Americans was allied