The United States was on the winning side of: the American Revolution, the War Against the Barbary States, the Mexican-American War, the Spanish-American War, World Wars I & II, the Korean, and the Persian Gulf War of 1991. The US has also been involved in a number of other smaller conflicts which it has also won.
no
Yes.
the colonist won the french indian war
their troops
I think you mean the allies.
to win the war
they bought the philippines from the spanish.
because we are better
The Americans had more money than the British.
Because they needed to survive to win the war
The afghan war will end in 2064 after the Americans and British have had enough and Afghanistan win.
One reason is that Britain was in a war with the French at the same time.