USA HISTORY

Detailed explanation-1: -Calhoun became the first vice president to resign his position in December 1832; he then served in the U.S. Senate from 1832 to 1843. During his years in the Senate, he ceased to be a nationalist and became a staunch sectionalist and outspoken defender of slavery and the South.

Detailed explanation-2: -Spiro Theodore Agnew (November 9, 1918 – September 17, 1996) was an American politician who was the 39th vice president of the United States, serving from 1969 until his resignation in 1973. He is the second vice president to resign the position, the other being John C. Calhoun in 1832.

Detailed explanation-3: -Calhoun of South Carolina served as Representative, Senator, and Vice President. Calhoun resigned his position as Vice President to return to the Senate in 1832. On this date, the Tariff of 1828-better known as the Tariff of Abominations-passed the House of Representatives, 105 to 94.

Detailed explanation-4: -Calhoun of South Carolina first entered politics in 1808 when he was elected to the state legislature. He moved to the U.S. House of Representatives in 1811, where he served almost four terms before resigning to become secretary of war under President James Monroe, a position he held from 1817 to 1825.