Answer:
A. Daniel Webster, John Calhoun, Henry Clay
Explanation:
They are recognized as one of the best pre-civil era's leaders. They did an unfinished job left by the president Jackson. With the help of the senator Clay, North and South Carolina became freedom as a state. Otherwise, those states still have to be the slavery states. After the comprises with New Mexico in a tarriff issue, they betrayed with South. Calhoun then stepped up to force the Northerns to protect the South. His words became famous for the union. After a few days later, Webster urged Northerns to accept the demand so that the division could be settled. He also claimed to accept Clays proposal to divide the states.
Clay from the west, Calhoun from the South, and Webster from the North will be remembered for this division during Monroe Era.
