USA HISTORY

Detailed explanation-1: -President Franklin Delano Roosevelt made one of those escalating moves in July 1940 when he cut off shipments of scrap iron, steel, and aviation fuel to Japan even as he allowed American oil to continue flowing to the empire.

Detailed explanation-2: -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.

Detailed explanation-3: -The main combatants were the Axis powers (Germany, Italy, and Japan) and the Allies (France, Great Britain, the United States, the Soviet Union, and, to a lesser extent, China).

Detailed explanation-4: -The war production effort brought immense changes to American life. As millions of men and women entered the service and production boomed, unemployment virtually disappeared. The need for labor opened up new opportunities for women and African Americans and other minorities.