What was the democratic party's position on westward expansion

Southern Democrats favored westward expansion, partly to expand cotton plantations and slavery into the west, however, the Whigs were worried about expanding slavery into the west. Most Democrats were in favor of expanding, because it would make America larger. The Whigs, however, were worried about losing representation in the Congress.

i would go with the last one

the idealization of the rural landscape ; admiration for the beauty of nature ; focus on an individual's inner concerns