Cornwallis then wisely left South Carolina. However, he subsequently lost another big portion of his army at the Battle of Guilford Courthouse in North Carolina. He kept traveling north but then lost the war at Yorktown, Virginia.
Without the South, Partisan, there might not have been a US of A.
The climactic battle in the Mel Gibson movie, The Patriot is actually a mix of things that happened at Cowpens and Guilford Courthouse, causing some to call the movie battle, the Battle of Guilford Cowpens.