As the demand for steel and other resources grew, Americans took part in rationing programmes, as well as recycling and scrap metal drives. Americans also contributed financially to the war effort by purchasing Liberty bonds.
The United States mobilized its economic resources, including raw materials and labour. Along with a propaganda campaign to promote the war.
During the war, the United States entered into Lend-Lease agreements with over 30 countries, dispensing $50 billion in aid.
Following the Japanese bombing of Pearl Harbor on December 7, 1941, the United States declared war on Japan. Three days later, after Germany and Italy declared war on it, the United States officially entered World War II.
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