What impact did Free-Soil candidate Martin Van Buren have on the elect

What impact did Free-Soil candidate Martin Van Buren have on the election of 1848?

A) He cost Lewis Cass New York and Pennsylvania, and with these two states the election.
B) He forced Lewis Cass to take a much stronger stand on slavery than he wanted to.
C) He cost Zachary Taylor Massachusetts and New Hampshire, and with these two states the election.
D) He had no impact on the outcome of the election, but had a profound effect on the public debate over slavery.

ANSWER
Answer: A