Before the United States joined World War II, it showed support for the Allies through several measures, including:
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Lend-Lease Act: This program, enacted in March 1941, allowed the U.S. to supply military aid to Allied nations, providing them with food, weapons, and war supplies without immediate payment.
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Cash and Carry Policy: Implemented in 1939, this policy allowed belligerent nations to purchase arms and other supplies from the U.S. as long as they paid in cash and transported the goods themselves.
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Destroyers for Bases Deal: In September 1940, the U.S. agreed to transfer a number of naval destroyers to the United Kingdom in exchange for the right to establish military bases on British territories in the Caribbean.
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Military Convoys: Although the U.S. was officially neutral, it provided escort for Allied ships transporting goods across the Atlantic, which included protecting them from German U-boat attacks.
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Diplomatic Support: The U.S. engaged in diplomacy with Allied nations, expressing solidarity against the Axis powers and collaborating on strategic planning.
These actions were part of the U.S.'s broader strategy to support the Allies and prepare for potential involvement in the war.