His was, no doubt, the most accomplished presidency in the 64 years between George Washington’s and Abraham Lincoln’s. And where Washington and Lincoln had arrived at moments freighted with destiny ...

The year is 1846, U.S. President James Polk just sent General Zachary Taylor and a number of horse soldiers to Texas to force the claim that the southern border of America is the Rio Grande River.

The 19th century term describes the perceived right of Americans to use force or the threat of force to wrest desireable land ...

The last time the United States expanded its territory—gaining the Northern Marianas and some other Pacific islands—President Donald Trump was just a year o ...

Rachel Maddow mocked Donald Trump for thinking he has a “big Trump mandate” for latest threat Trump called for a U.S.-led ...

Congress passed the law and Adams signed it during our undeclared naval war with France. It was also used by James Madison during the War of 1812, Woodrow Wilson during World War I, and Franklin ...

James Polk was the first president to have his address ... of our people," Hoover said during his address. After World War II, an increasing number of Americans bought television sets for their ...

James Polk negotiated boundaries for Oregon and acquired ... and statehood secured the right to self-government. After the Civil War, William McKinley oversaw the annexation of Hawaii and victory ...

It’s no surprise that Florida is a strange place. But some places in the Sunshine State are weirder than others.

But no American president has deployed such rhetoric in a century and half, not since James K. Polk threatened war (“Fifty-four Forty or Fight!”) if Great Britain didn’t surrender a vast ...

Walker, the former treasury secretary under President James K. Polk and an avowed American expansionist ... lost to Prussia in the Second Schleswig War in 1864. In a letter to the U.S. assistant ...