Trump's administration plans to ramp up prosecution of unauthorized border crossings. Here's the story of how it became illegal in the first place.
During the war, fear of being undermined by the enemy sparked restrictions on freedom of speech. As a result, thousands of Americans were prosecuted.
Before World War I, petroleum had few practical uses, but it emerged from the war as a strategic global asset necessary for national stability and security.
High school students in America learn two very different perspectives on World War I in their U.S. and world history classes. But which of these competing viewpoints should take center stage?
A 'witch hunt' is what Trump called investigations into his campaign and Russian interference in the 2016 election. An anthropologist explains the connection between witch hunts and social control.
Trump's budget would eliminate the National Endowment for the Humanities, breaking a tradition of funding humanities scholarship that goes back to the nation's founding.
An urban planning expert goes knee-deep into the murky history behind this popular phrase often used to describe the nation's capital.
Over the years, Puerto Ricans have in fact been granted three different types of U.S. citizenship, but questions about their rights and equal treatment as citizens still remain.
Comparisons often ignore the troubling history of how Jackson treated Native Americans. An expert on Native American history draws parallels to the new administration.
From Chinese laborers to 'bad hombres,' the US settler mentality has perpetuated an immigration system that pushes out unwanted groups and bypasses the Constitution.
The beleaguered new president is driving a wedge between his citizens and the media. Nixon would have been proud.
Thanks to the US's polarised politics, presidents beloved abroad are controversial at home.
Would Abraham Lincoln ever have become president if he didn't stumble into a dry goods store in Springfield, Illinois, and strike up a friendship with its owner, Joshua Speed?
When war broke out, black Americans fought in segregated units to serve their country. The breath of freedom they experienced in Europe flamed the fight for equality when they returned home.
Distrust of the irreligious has been commonplace in the American political discourse from the founding.
The US has never been opposed to international engagement, or even international co-operation – but it must always be co-operation on American terms.
Donald Trump will preside over a new American reality as it takes shape. How can we understand it?
The first presidency began with a mandate to make America great. What's changed?
Big Oil has historically played a behind-the-scenes role on American policy and politics. No longer.
Could a similar coalition emerge today?