South carolina eventually repealed its ordinance of nullification in exchange for

a. the passage of a congressional bill giving the president the power to collect taxes by force.

b. the immediate elimination of all tariffs and a federal declaration that nullification was constitutional.

c. the passage of a congressional bill removing the power of the president to collect taxes by force.

d. the federal elimination of the tariff of 1828 and a gradual reduction on import taxes over a decade.

do not explain cause you get it wrong or make people confuse