Question

The phrase "Fifty-four forty or fight" came out of the dispute between the U.S. And Great Britain over

Answer 1

The term originated from a boundary dispute over the Oregon territory in the 1840s.

Answer 2

James K. Polk called for expansion that included Texas, California, and the entire Oregon territory. The northern boundary of Oregon was the latitude line of 54 degrees, 40 minutes. "Fifty-four forty or fight!" was the popular slogan that led Polk to victory against all odds.