American military technology during World War II US cruisers and battleships had their guns directed using information gathered from the ship's radar. 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,
American women in World War II Alien and Sedition Act. American women in World War II American women in World War II became involved in many tasks they rarely had before; as the war involved global conflict on an unprecedented scale, the absolute urgency of mobilizing the entire population made the expansion of the role of women inevitable. Their services were recruited through a variety of methods, including posters and other print advertising, as well as popular songs. Among the most iconic images were those depicting "Rosie the Riveter", a woman factory laborer performing what was previously considered man's work. The women whose images became most