History
Top 10 Best American Presidents of All Time Ranked
James K. Polk
James K. Polk (March 4, 1845 to March 4, 1849) served one term as president. During his time in office, Polk expanded the size of the United States more than any president other than Jefferson through the obtaining of California and New Mexico because of the Mexican-American War.
He likewise resolved the country’s debate with Great Britain over the United States’ northwest boundary, giving the U.S. Washington and Oregon and giving Canada British Columbia. During his residency, the U.S. given its most memorable postage stamp, and the establishment for the Washington Monument was laid.