Americas allies did most of the fighting, do your research and stop asking broad questions
The Triple Entente which consisted of Britain, France & Russia
Choctaw, Cherokees, and the Creek allies
Allies and Axis.
they failed to repay their war debts to America
Italy and Japan
Britain - Russia - the US .
Britain, USA and Canada were the main allies.
they helped allies and the war ended sooner when they came.
The UK The US and the USSR.
The main allies in WW1 were Britten, France, Austria, Belgium, and Canada just to name a few.
If you are asking if Italy was part of the Allies in World War Two, the answer is no. However, if you want to find the allies of Italy, the main one was Germany.