How did the lend lease act of 1941 significantly change the united states foreign policy toward nations involved in ww2

The lend lease act of March 11, 1941, was the principle means for providing U.S. Military aid to foreign nations during world war 2. Lend Lease brought the United States one step closer to entry into the war. Isolationists, such as Republican Senator Robert Taft, opposed it.
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