James K. Polk may have served just one term, but he was one of history’s most consequential U.S. presidents. Polish up on Young Hickory, America's 11th Commander in Chief.

Robert Morgan's ambition in writing Lions of the West was "to create a living sense of the westward expansion of the United States through brief biographies of some of the men involved." This plan ...

In 1828, when Andrew Jackson was elected president, he promised to expand the United States westward. His justification for expansion seemed to him self-evident, for "What good man would prefer a ...

We know the westward expansion led to some cool discoveries, but does competition lead to progress or ultimately hurt us? (screen zooming) And remember, history surrounds you and includes you.

President James Monroe used the concept of Manifest Destiny to warn European countries against interfering in the Westward Expansion of the U.S., declaring that any attempt by Europe to colonize ...

In his single term from 1845 to 1849, President James K. Polk extended the United States from sea to shining sea. Polk maintained a “keen ability to balance the diverse desires of the nation ...

How he defineD the office • Running for president with his supporters coining the campaign slogan “Fifty-Four Forty or Fight!,” Polk made clear the westward expansion of the United States ...

The jury is still hung on James Polk, but if the sum of a president’s success is the endurance of his vision, then Bush might be better advised to search harder.

James K. Polk’s term ended on March 4, 1849. Zachary Taylor wasn’t sworn in until the next day. Some believed there was no president—or that an obscure senator was in charge.

James K. Polk expanded the U.S. more than any other president. Now his portrait hangs in the Oval Office, a signal that President Trump’s ambition to take over Canada, Greenland and other ...