In exchanging , the United States acquired the vast domain of Louisiana Territory, some 828,000 square miles of land. The treaty was dated April 30<span> and signed on </span>May 2<span>. In October, the U.S. Senate ratified the purchase, and in </span>December 1803<span> France transferred authority over the region to the United States.</span>
Both countries engaged in the mass killing of innocent people in conquered territories.
Exchange new ideas is the only answer that seems plausible