Question

what compromise did henry clay achieve in order to resolve the nullification crisis?
both andrew jackson and john c. calhoun agreed not to run for president in 1836.
president jackson agreed to withdraw troops from south carolina which agreed to pay the tariff.
congress lowered the tariff in the southern states in exchange for a reduction in the number of slaves allowed.
congress agreed to lower the tariff, but also allowed president jackson to use the military to enforce it.

Explanation:

The Compromise Tariff of 1833, proposed by Henry Clay, gradually reduced tariffs over a decade. At the same time, the Force Bill was passed which allowed President Jackson to use military to enforce the tariffs if needed. This was the compromise to resolve the nullification crisis.

Answer:

Congress agreed to lower the tariff, but also allowed President Jackson to use the military to enforce it.