In the presidential election of 1840, the Whigs essentially had very little in the way of beliefs. As one book (America: A Narrative History, by Tindall and Shi, 5th Ed. p. 480) says, "The Whigs had no platform."
The reason for this is that the Whig Party was a party made up of a coalition of people whose main commonality was that they hated Andrew Jackson and the Democrats. The Whigs drew support from many different segments of the population. They had anti-Masonic elements. They had anti-slavery Democrats. They had former Democrats who supported the Bank of the United States.
Because of this diversity, they did not try to run on a platform but ran, instead, on the claim that their candidates for president were regular people from humble backgrounds.