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Which best describes the purpose of the south carolina exposition and protest, which was written by john c. calhoun? a) to explain why the south was nullifying the tariff of 1828 b) to describe the ways the tariff of 1828 would southerners c) to persuade northern states to rebel against the federal government d) to ask england for if the south decided to secede from the union

The platt amendment was a treaty that allowed the united states to build military bases in which country?

Why is the industrial revolution important to us now? brainliest to the best answer