#1. The drive to expand westward.
#2. to rid the land of the 'savages'.
Answer:
The victory at Cowpens gave the Americans more confidence.
Explanation:
The battle win completely turned around the American morale and gave them a renewed sense of confidence that they could actually go on to win the American Revolutionary War.
I believe that would be C.
A noise that produces an echo when it bounces off a distant wall.