Why were most southerners unconcerned about Jackson’s fight with South

Why were most southerners unconcerned about Jackson’s fight with South Carolina?

a. They knew him to be in sympathy with the abolitionists.
b. They knew him to be truly an advocate of extreme state sovereignty.
c. He was a southerner and a slaveholder.
d. They knew he was unable to prevent Congress from overriding his decisions.
e. He was a master politician with the ability to turn enemies into allies.

ANSWER
C