US military officials expect<span> the </span>Japanese<span> to </span>attack during World War II<span> in Asia. Since these territories were closer to them.
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The disruption in Atlantic shipping prior to and during the War of 1812 increased the manufacturing and this was the way it affected the United States economy. Since there was problem in importing products, so to balance it, the internal production was increased and this way the economy sustained that period.
The transition occurred gradually over time, so there are many intermediate forms.