Answer:Nullification crisis, in U.S. history, confrontation between the state of South Carolina ... The doctrine of nullification had been advocated by Thomas Jefferson and James ... John C. Calhoun furthered the nullification doctrine in his South Carolina ... of the legislature) to take an oath of support for the ordinance, and threatened contrast
Explanation:
C... Herotodus. These were the wars with the greeks between 500 and 300 BCE.
Credit was a new thing, banks didn’t have the money for loans, to much production and not enough consumers (inflation)
Slavery started because people couldn't do their jobs themselves, so they had other people do it for them.