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C.New railroad lines across the Great Plains made it cheaper to ship cattle by rail.</span><span>
With the formation of properties, the installation of fences and the modernization of the transport popularized by the railroads, the movement of livestock has been reduced drastically. Costs were reduced, time was reduced and security increased.
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Answer:Mass-producing houses to speed up production
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The date <span>December 7, 1941 is the bombing of the Pearl Harbour. This surprise attack by the Japanese on America signifies the start of the world war II in the Pacific. The event eventually lead the United States to join the world war and declare war on the Japanese Empire. Therefore the answer would be letter C.</span>
Very long story short, farming and sugar, as well as a port to china, east india and asia. and the islands were a prime place for a navel base.