The U.S. entered WWI in 1917 and the war ended in 1918.
mr
Economic gain.
world 2 war
the sinking of a ship
German submarine warfare
The Franco-Prussian War was not directly related to the entry of the US into World War I.
mr
do you mean what caused us entry into world war one? if so then the sinking of the USS Lusitania by German u-boats was what caused American entry into the war
yes
The Allies.
Economic gain.
The Allied Forces, as the US joined their side.
the assassination of Archduke Franz Ferdinand and wife
i always know that 7 divided by 2 = 8,0000
One was the sinking of the Lusitania in 1915.
The US emerged as a world power in world war 1 first when its economy outgrew that of the other nations due to peace within its borders before entering the war. It happened again when its entry into the war caused a speedy conclusion and victory for the Allies.
Americans of direct German background.