Polk's battle cry was "Fifty-four forty or fight," which meant the United States would accept nothing less from the British than all of the Oregon Country, as far north as the border of Alaska. Polk won the Presidency and took office in 1845.
The writer was Henry David Thoreau. The whole idea and concept of this was with "Civil Disobedience" Hope this helps! If correct please make brainiest answer so everyone knows!