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 …

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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, …

The United States of America (USA), for short America or United States (U.S.) is the third or the fourth-largest country in the world. It is a constitutional based republic located in North …

1 day ago · 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, …

The USA borders Canada in the north; its southern 3,155 km long border to Mexico is partly furnished with a great wall (or fence). The United States also shares maritime borders with the …

Dec 3, 2025 · Visit the Definitions and Notes page to view a description of each topic.

Most of them were located on the east coast of what is now the USA and Canada. With the Declaration of Independence in 1776, 13 of the former British colonies joined together to form …

U.S. Customs and Border Protection: Protecting the American people, safeguarding our borders and enhancing the nation’s economic prosperity.

1 day ago · The Trump administration is proposing to ask visitors from countries with visa-free travel to the U.S. to submit five years of their social media history before they can enter.