What did Polk's pledge to serve only one term indicate about his presidency?

James K. Polk's pledge to serve only one term indicated that he intended to focus on accomplishing specific goals during his presidency. By committing to a single term, Polk sought to provide his administration with a sense of urgency to achieve key objectives, most notably the expansion of U.S. territory. His ambitions included the annexation of Texas, the acquisition of Oregon, and the facilitation of California's incorporation into the Union, all of which were pivotal points in his platform. This promise allowed him to concentrate on these ambitious initiatives without the distractions and demands of reelection campaigning, emphasizing his determination to deliver concrete results within the limited time he established for himself. His approach exemplified a presidency characterized by purposeful action, aiming to fulfill a defined agenda efficiently.