Oh I know this one! It's Roger Sherman.
Answer:
C) It would increase public support for the abolitionist movement
Explanation:
Southerners felt as if a tariff would hurt them because they would increase public support for the abolitionist movement.
One of the main ways in which Europe’s commercial revolution affected social structure is that it increased the incomes of many lower-class citizens, which created somewhat of a "middle class," which had previously not existed.
