Jackson's vice president who resigned to lead the fight for states' rights was: john
c. calhoun martin van buren john q. adams sam houston

John C. Calhoun

Explanation:

John Caldwell Calhoun was an American statesman from the Democratic Party. He was a strong defendant of slavery and of the rights of white Americans in the South. He was also a proponent of states' rights and limited government. He was extremely influential in the South's secession from the Union.

how did justinian contribute to the byzantine empire?

one famous byzantine emperor was justinian i. justinian ruled from ad 527 to 565. belisarius was the commander who led these armies in an attempt to win back the old western roman empire. the war effort to take back the western part of the empire forced justinian to raise taxes on the people of the byzantine empire.

explanation:

mark brainliest and have a great day!