Answer:
The United States became an imperialist nation at the end of the 19th century because Americans wanted to expand overseas with their belief in manifest destiny.
Explanation:
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<span>The Cherokees sided with the Confederates since they believed that the Confederacy would grant them more freedom. Since, slavery was legal in the Indian lands, some Native American slave owners wanted to help the Confederacy.</span>
Market and command economic systems
