USA HISTORY

Detailed explanation-1: -In response to the Tariff of 1828, vice president John C. Calhoun asserted that states had the right to nullify federal laws.

Detailed explanation-2: -A staunch defender of the institution of slavery, and a slave-owner himself, Calhoun was the Senate’s most prominent states’ rights advocate, and his doctrine of nullification professed that individual states had a right to reject federal policies that they deemed unconstitutional.

Detailed explanation-3: -He served as a U.S. representative, secretary of war, vice president and secretary of state, and had a long career in the U.S. Senate, during which he emerged as an outspoken defender of states’ rights and the institution of slavery.