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The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district (Washington, D.C.), and 326 Indian reservations. Outside the union of states, it asserts sovereignty … 查看更多內容
The first documented use of the phrase "United States of America" is a letter from January 2, 1776. Stephen Moylan, a Continental Army aide … 查看更多內容
The United States is the world's third-largest country by total area behind Russia and Canada. The 48 contiguous states and the District of Columbia 查看更多內容
The U.S. has been the world's largest economy nominally since about 1890. The 2023 nominal U.S. gross domestic product (GDP) of $27 … 查看更多內容
Americans have traditionally been characterized by a unifying political belief in an "American creed" emphasizing liberty, 查看更多內容
Indigenous peoples
The first inhabitants of North America migrated from Siberia across the Bering land bridge 查看更多內容The United States is a federal republic of 50 states, with its capital in a federal district, asserting sovereignty over five unincorporated territories 查看更多內容
Population
The U.S. Census Bureau reported 331,449,281 residents as of April 1, 2020, making the … 查看更多內容CC-BY-SA 授權下的維基百科文字 Fly To United States | Save Big on your Next Flight
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- United States, country in North America, a federal republic of 50 states. Besides the 48 conterm…
The major characteristic of the United States is probably its great variety. Its physical environment ranges from the Arctic to the subtropical, from the moist rain forest to the arid desert, from the rugged mountain peak to the flat prairie. Although the total population of the United States is lar… - The United States contains a highly diverse population. Unlike a country such as China that larg…
The United States is the world’s greatest economic power, measured in terms of gross domestic product (GDP). The nation’s wealth is partly a reflection of its rich natural resources and its enormous agricultural output, but it owes more to the country’s highly developed industry. Despi…
- United States, country in North America, a federal republic of 50 states. Besides the 48 conterm…
網頁The United States of America ( U.S.A. or USA ), commonly known as the United States ( U.S., US or the States ), or simply America, is a sovereign country mostly in North …
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The U.S. and its government | USAGov
網頁U.S. facts and figures. Learn about the United States, including American history, the president, holidays, the American flag, census data, and more. A-Z index of U.S. …
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United States Facts | Britannica
網頁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, …
- 美利堅合眾國簡稱美利堅，漢字文化圈通稱為美國，是北美洲的一個聯邦制共和國，亦是當今世上唯一的 … 查看更多內容美利堅合眾國簡稱美利堅，漢字文化圈通稱為美國，是北美洲的一個聯邦制共和國，亦是當今世上唯一的超級強國。美國由下轄的50個州加上聯邦政府直轄的華盛頓哥倫比亞特區、五個離岸自治領土及若干外島組成。美國的官方領土面積為9,372,610平方公里，為北美第二，並位居世界第三或第四。截至2020年初，美國總人口約為3.3億人，世界第三人口大國、人口最多的已開發國家、美洲人口最多的國家。美國有著來自世界各地的大量移民，是世界上民族和文化最多元的國家之一，有「民族大熔爐」之稱。美國國土的地形與氣候複雜多樣，生物多樣性齊全，是多種野生動植物的主要家園。熱門目的地查看更多內容
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