The Lend-Lease Act was a program signed into law on March 1941. This program allowed the United States to supply the United Kingdom, France, China, the Soviet Union and other Allied countries with food, oil and other material during the war. In return, the U.S. was given leases on army and naval bases in Allied territory.
France and Britain had a dispute on who owns the Ohio River Valley, They signed teh Treaty of Fontainbleau, France lost to Britain, They all signed the treaty of Paris
