In the 1844 election, the phrase “fifty-four forty or fight! ” referred a. the number of representatives in congress b. the growing us economy in the west c. the desired boundary line in the north d. the threat of war with american indians

So the question ask on which of the following among the choices is the best answer that is referred by the phrase "Fifty-four Forty or Fight" in the election day and the best answer would be letter C. the desired boundary line in the North. I hope you are satisfied with my answer .