John c. Calhoun served as vice president to two different presidents and two different political parties - True.
The seventh vice president of the United States from 1825 to 1832, John C. Calhoun was a South Carolina-born American statesman and political thinker who held numerous significant positions. He vehemently defended slavery and worked to uphold the interests of the white South. Calhoun was the most recent U.S. vice president to serve under two different presidents after serving under John Quincy Adams and continuing under Andrew Jackson, who succeeded Adams in the 1828 election and made Calhoun the last vice president to be re-elected until Thomas R. Marshall was re-elected in 1916.
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