Explain the key difference between the two democrats, Andrew Jackson and James K. Polk on the issue of territorial expansion. make your answer two sentences.

The key difference between Andrew Jackson and James K. Polk on the issue of territorial expansion is that while Jackson primarily focused on acquiring territory within North America, Polk sought to expand the nation's borders by acquiring vast territories such as California, New Mexico, and Oregon through negotiations and war.

shorter

Jackson's focus was primarily on acquiring territory within North America, while Polk sought to expand the nation's borders by acquiring larger territories such as California, New Mexico, and Oregon.