Answer:
A. They defended Allied bombers despite being segregated by the U.S. Military
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Industrial Revolution made unprecedented advances with agricultural and industrial changes. The following discoveries in technology made it all possible:
1. Agricultural revolution produced raw materials needed for establishing basic industries. New ways, techniques, and systems in agriculture were used;
2. Technology in industries was brought out. High demand and supply on manufacture goods were done with the use of machines.Transportation of raw materials needed by industries was traveled with the help of steam engine trains. The textile industries invented machines to process cotton and produce cloth. Metal industries created metal materials like pins, bullets, guns and machines.
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