How are real-life situations commutative?

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

Thoreau’s actions in civil disobedience and the 1955 bus boycott are similar because both thoreau and the boycotters were

What has contributed to the growth of agriculture as big business in the midwest