Answer:
b. helped his candidacy for office by expressing a desire to re-annex Texas.
Step-by-step explanation:
James K. Polk was the president of the US legislation. He is regarded as the last Jacksonians to preside over the functioning in the White House. Also, he is considered to be the last president to be the strongest till the beginning of the Civil War from 1845 to 1849. In his campaign, he declared that he would lead towards the re-annexation of Texas and would reoccupy all of Oregon.