The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 states and a federal …

1 天前 · Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the northwestern extreme of North America, and …

6 天之前 · Visit the Definitions and Notes page to view a description of each topic.

Learn about the United States, including American history, the president, holidays, the American flag, census data, and more. Get contact information for U.S. federal government agencies, …

2 天之前 · The United States is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, and …

Discover the United States of America: vacation, accommodation, hotels, attractions, festivals, events, tourist boards, state parks, nature, tours, and much more.

6 天之前 · On December 2, 1823, the doctrine of American sovereignty was immortalized in prose when President James Monroe declared before the Nation a simple truth Every child deserves …