Assuming you mean WW 2 ...
it was because the US could out-produce all the rest of the world - especially the axis powers.
because there good with guns sharp shooters
The greater resources and the breaking of the German and Japanese codes
The allies.
The Allies.
No, it was never a colony. After they lost World War 1, the Allies wanted to colonize Turkey, but the Turks were able to win the war. That war was called the Turkish war of Independence.
The German Allies surrenedered because they want peace, and then the allies killed them all.
The Allies won. Strange question.
The Allies, joined by America's less worn-out troops, were able to push Germany back and win World War I.
The Allies win the war by securing the help of the US. This gave them a great numerical advantage over the Central Powers who had had the edge for most of the war.
They helped the Allies win the war.
We won
the battle of the bulge