D. Trade can keep countries from specializing in producing certain goods.
Answer:
Having lost his control of the Caribbean landholding, Napoleon saw no further use for Louisiana. The US was only interested in the New Orleans area; however, the revolution enabled the sale of the entire territory west of the Mississippi River for around $15 million. This purchase more than doubled US territory.
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Only the United States and Japan came out of the war in better financial shape than before.
Answer:
African Americans joined the Union arm in droves to fight for the abolition of all slaves in America, so they fought harder than most regular Union troops because they were fighting for their futures and lives (the South would enslave them again if the Union lost).
Explanation: