Donald Trump cast himself both as a peacemaker and fierce defender of US interests in a mercurial return to the White House ...

Trump has signed executive orders to withdraw the U.S. from the World Health Organization and the Paris climate agreement since he took office.

Often called one of the seven modern wonders of the world, the Panama Canal splits the continents of North and South America ...

The canal passed into the hands of Panama, which continues to manage this vital waterway, and will continue to do so," said Arsenio Dominguez, head of the International Maritime Organization (IMO).