"fifty-four forty or fight! " was a slogan associated with which issue? a. the oregon border b. the expansion of slavery c. the louisiana purchase d. the u. s. annexation of texas

The Correct Answer is A.

"The Oregon border".

Explanation:

"Fifty-Four Forty or Fight!"

This was one of Polk's campaign slogan.Many American wanted to own all of Oregon.This slogan referred to what the northern border would be.In the election of 1844 Polk wins over the clay, Polk believed in the manifest destiny and getting all of the Oregon.In 1846 United States and Great Britain agree to settle the border dispute at the 49th parallel.

Cbecause it’s c and this needs to be 20 characters long