Answer:
The Lend-Lease policy, formally titled An Act to Promote the Defense of the United States, was a program under which the United States supplied the United Kingdom, Free France, the Republic of China, and later the Soviet Union and other Allied nations with food, oil, and materiel between 1941 and 1945. Loaned on the basis that such help was essential for the defense of America, this aid included warships and warplanes, along with other weaponry. It was signed into law on March 11, 1941, and ended on September 20, 1945. In general, the aid was free, although some hardware were returned after the war. In return, the U.S. was given leases on army and naval bases in Allied territory during the war. Canada operated a similar smaller program called Mutual Aid.
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