The United States of America (USA), commonly known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal union of 50 states and Washington, D.C., its federal capital district.

2025年1月31日 · The United States is a country in North America that is a federal republic of 50 states. 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 the island state of Hawaii, in the mid-Pacific Ocean.

The United States of America, commonly known as simply the United States or America, is a sovereign country mostly in North America. It is divided into 50 states. 48 of these states and the District of Columbia border each other between the Pacific and Atlantic Oceans. They are bordered by Canada to the north and Mexico to the south.

The United States”是对美国最傳統最正式的称呼，它最早出現在獨立宣言與美國憲法中。在官方場合說到美國時，一般必須使用此通稱。 在官方場合說到美國時，一般必須使用此通稱。

Learn about the United States, including American history, the president, holidays, the American flag, census data, and more.

Learn about the United States, including American history, the president, holidays, the American flag, census data, and more.

2025年1月29日 · The United States entry in The World Factbook provides a comprehensive overview of the country's geography, people, society, government, economy, and more.

United States, officially United States of America, Country, North America. It comprises 48 conterminous states occupying the mid-continent, Alaska at the northwestern extreme of North America, and the island state of Hawaii in the mid-Pacific Ocean.

The United States is a country in North America that is a federal republic of 50 states. 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 the island state of Hawaii, in the mid-Pacific Ocean.

2023年12月19日 · Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the original 13 as the nation expanded across the North American continent and acquired a number of ...