Lenore T. Adkins
America's 50 states are known as “laboratories of democracy” because they try policy ideas often adopted elsewhere. This is part of a series on federalism.
Learn more about the federal government in the United States. This article is part of a three-part series on how federalism works in America.
Learn what the U.S. Centers for Disease Control and Prevention does to help keep people healthy around the world, especially in light of a new coronavirus.
USAID has snapped into action to support the Philippines in the wake of the eruption of a volcano that's displaced more than 100,000 people.