They knew how to win wars in Old America. It might not have been politically correct, but they identified their enemies, went to where their enemies were, and destroyed the ability of those enemies to wage war. What happened at the end of that process was known as victory.
Here’s video from the celebration of the last victory the United States ever achieved. Set the wayback machine for August 14th, 1945. The place is the U.S. Territory of Hawaii.