Although this period has often been called the Era of Good Feelings due to its one-party dominance, in fact, Democratic-Republicans were deeply divided internally and a new political system was about to be created from the old Republican-Federalist competition that had been known as the First Party System.
I believe the answer to this question is C.
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Answer:
It is called the "Korean Demilitarized Zone".
Explanation:
One effect was selling Native Americans property.