What Treaty that ended the American Revolutionary war made George Rogers Clark hailed as  the "Conqueror of the Old Northwest"?
George Rogers Clark: George Rogers Clark (November 19, 1752 – February 13, 1818) was a surveyor, soldier, and militia officer from Virginia who became the highest ranking American military officer on the northwestern frontier during the American Revolutionary War. George Rogers Clark:  Because the British ceded the entire Northwest Territory to the United States in the 1783 Treaty of Paris, Clark has often been hailed as the "Conqueror of the Old Northwest". Treaty of Paris (1783): The Treaty of Paris, signed in Paris by representatives of King George III of Great Britain and representatives of the United States of America on September 3, 1783, ended the American Revolutionary War.
Treaty of Paris