Final answer:
The United States aided the Allies without entering the war through the Lend-Lease Act, which provided military aid to countries like Britain and the Soviet Union. The recipients agreed to lease portions of their territory for use by the U.S. military. This helped the Allies continue the war against Germany and Japan.
Step-by-step explanation:
The United States aid the Allies without entering the war through the Lend-Lease Act.
This act allowed the U.S. to provide military aid to nations vital to its defense, including Britain, France, China, and the Soviet Union.
The recipients of the aid agreed to lease portions of their territory for use by the U.S. military, ensuring their ability to continue the war against Germany and Japan.