World War II began in 1939, and by 1940, the United States wished to support the Allied Powers by providing military aid. On December 29, 1940, during one of his Fireside Chat broadcasts, President Franklin Delano Roosevelt urged Americans to join the fight. Speaking to manufacturers across the country: “I appeal to the owners of plants – to the managers, to the workers – to our own Government employees – to put every ounce of effort into producing these munitions swiftly and without stint.”
