Which statement best expresses how free Southerners viewed tariffs?

Southerners felt the tariffs boosted the Southern economy by protecting their right to own slaves.
Southerners felt it was important to protect American companies so they could compete with foreign ones.
Southerners felt the tariffs favored the industrial economy of free states over the agricultural economy of slave states.
Southerners felt the tariffs would hurt the economy by making imported goods cheaper than those made in the U. S.