PRESIDENT POLK
James K. Polk
Polk is the only US President to have kept all of his campaign promises, including his promise not to seek a second term. His most difficult one was the annexation of the Soutwestern territories from Mexico.
Oregon
Andrew Jackson helped James Polk's campaign by speaking on his behalf whenever he could. That might have helped Polk become the President of the United States. James Polk was also a good speaker and the fact that he married Sarah Childress-Polk might also have made a difference in his election.
James K. Polk was 49 when he became president.
James K. Polk (term 1845-1849) was President of the United States during the Mexican-American War.
Maybe you are referring the campaign slogan, "Fifty-four forty or fight". Polk settled for quite a bit less without doing any fighting at that point.
Polk succeeded John Tyler as President.
James Knox Polk was a U.S President from the Democratic Party. He was the Eleventh president of our country.
James K. Polk made a campaign promise to serve only one term as president. He believed that one term was sufficient to accomplish his main goals, which were to settle territorial disputes with Mexico and successfully implement his agenda for territorial expansion. Polk felt that by limiting himself to one term, he could focus all his energy on achieving these objectives.
The slogan of the campaign was not disavow by Polk. Polk pledged to settle the boundary of Oregon Territory with Britain.