How did John Brown's raid contribute to the start of the American Civil War?

Which group received the right to vote last

Which of the four varnas are soldiers placed in? a. sudra b. brahmin c. vaishya d. kshatriya

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