What act, passed by Congress in 1828, resulted in increased sectional differences and the nullification crisis?

The Tariff of 1828 was a very high protective tariff that became law in the United States in May 1828.

Explanation:

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

the answer would be logic.