They fight because they didn't thing the exchange was fair.
The Patriots takes the victory
These are the main people that are involved in the war. For the patriots, they sent General Nathaniel Greene to be the leader. And for the British they sent General Cornwallis.
It's January 17, 1781 and the battle is in cowspens South Carolina and the patriots end up winning this battle.
The British ends up retreating, in that order the Patriots end up winning because they killed more British than the British killed them.