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,
The war to end war Even during World War I, the phrase met with some degree of skepticism; the British politician David Lloyd George is reputed to have said, "This war, like the next war, is a war to end war." As it became apparent that the war had not succeeded in ending war, the phrase took on a more cynical tone. The British staff officer Archibald Wavell, a future field marshal and viceroy of India, said despondently of the Paris Peace Conference, "After the 'war to end war', they seem to have been in Paris at making the 'Peace to end Peace'." Wells himself