how did the lend-lease act help the allies
Lend-Lease and Military Aid to the Allies in the Early Years of World War II. During World War II, the United States began to provide significant military supplies and other assistance to the Allies in September 1940, even though the United States did not enter the war until December 1941.he United Kingdom was not the only nation to strike such a deal with the United States. Over the course of the war, the United States contracted Lend-Lease agreements with more than 30 countries, dispensing some $50 billion in assistance.