United States History Question of the Day

U.S. troops under Winfield Scott entering Mexico City, 1848
(Source:Wikimedia
Commons--public
domain)
Question 01002:
Which American presidential candidate promised to serve only one term
if elected, to add California to the U.S., and to significantly reduce
tariffs?
(A) Democrat Martin Van Buren
(B) Whig Henry Clay
(C) Democrat James K. Polk
(D) Whig Zachary Taylor
(E) Republican John C Frémont