Yu mean how* not who* & the us join the ww1 cause they wanted to become a world power & joinin world would defently help.
Wiki User
∙ 12y agoThe us joined ww1 in the year of 1917.
The Triple Entente
Because your dumb stupid and NO ONE LIKES YOU lol (:
most americans saw no reason to join the struggle
The sinking of the LUSITANIA is what first caused the U.S. to join this disastrous of all wars, and
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