The Lend-Lease policy was a program implemented by the US in 1941 with the aim of defeating Germany, Japan and Italy by initiating the distribution of food, oil and other materials, that lasted until August 1945. It also included weaponry, warships and warplanes.
The help was sent to Great Britain, China, free France, also to the Soviet Union when they started their participation in the war, and other allied countries. This aid was free for all the allied nations. In turn, the US earned leases on army and naval basis totally free of charge, in the territories of the allied countries during the war, plus the provision of local supplies,