Dozens of senior officials put on leave. Thousands of contractors laid off. A freeze put on billions of dollars in humanitarian assistance to other countries. Over the last two weeks, President Donald Trump's administration has made significant changes to the U.

Employees at the U.S. Agency for International Development (USAID) were informed on Monday that their headquarters in downtown Washington was shut for the day, hours after billionaire Elon Musk said President Donald Trump agreed that Washington's primary humanitarian agency should be closed.