American military technology during World War II American military technology during World War II American military technologies developed during World War II became more advanced and specialized as the war progressed. The technologies produced ranged in complexity from relatively simple items such as small arms and armored vehicles, including tanks, to more complex items such as the atomic bomb. The latter, produced under the secretive Manhattan Project, proved to be an incredibly powerful weapon that revolutionized warfare and was used to end the war. Other technologies, such as the M4 Sherman tank, the M1 Garand and M1 Carbine, and the gas mask, were refinements on previously existing
American propaganda during World War II occupied regions so as to limit the forces needed to occupy; to counter-act Nazi propaganda, particularly about the United States; and to explain what the United States had done during the war. Posters were used to portray and support the Filipino resistance forces, which, while often listed as one of the greatest organized resistances in history, also exacted a terrible toll on the Filipino people. American propaganda during World War II During active American involvement in World War II (1941–45), propaganda was used to increase support for the war and commitment to an Allied victory. Using a vast array of