Chances are you haven't heard the term "manifest destiny" since high school history class. That is until President Trump's inaugural address last month, when he used it to call for America to ...

Newly sworn-in President Donald Trump vowed that the United States would take back the Panama Canal as he delivered an inauguration speech in which he invoked the 19th century expansionist ...

And yet, here we are, in a time when a cursory glance of the day’s news calls that ideology of Manifest Destiny to mind: The Gulf of America. Canada, the would-be 51st state.

"And we will pursue our manifest destiny into the stars, launching American astronauts to plant the Stars and Stripes on the planet Mars," Trump said on Jan. 20.