Answer:
Manifest destiny was a widely held cultural belief in the 19th-century United States that American settlers were destined to expand across North America. Historians have emphasized that "manifest destiny" was a contested concept Democrats endorsed the idea but many prominent Americans (such as Abraham Lincoln, Ulysses S. Grant, and most Whigs) rejected it. Historian Daniel Walker Howe writes, "American imperialism did not represent an American consensus; it provoked bitter dissent within the national polity … Whigs saw America's moral mission as one of democratic example rather than one of conquest."
Explanation:
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It was a prolonged drought that affected those who had come to seek economic opportunities through farming in the Midwest.<span />
Printing opinions that take away others rights
Federalism in the idea of the power being shared between the national and state level. checks and balances to keep the government from becoming tyrannical.