Which of the Following Is True of the Presidential Campaign

Which of the following is true of the presidential campaign of 1848?

A) Although Martin Van Buren lost all of the southern states, he won the election by carrying the Northeast and Northwest.
B) Zachary Taylor campaigned in favor of the exclusion of slavery in the territories.
C) In the North, antislavery Whigs, members of the former Liberty Party, and New York Democrats committed to the Wilmot Proviso formed the Free-Soil Party, which selected Martin Van Buren as its presidential nominee.
D) Lewis Cass appealed to northern voters because he called for the immediate abolition of slavery.