Changes

==Overview==

==Overview==

The United States has land borders with Canada and Mexico, as well as several territorial water boundaries with Canada, Russia and The Bahamas. It is otherwise bounded by the Pacific Ocean, the Bering Sea, the Arctic Ocean, the Atlantic Ocean, the Gulf of Mexico, and the Caribbean Sea. Two of the fifty states, Alaska, an exclave, and Hawaii, an archipelago, are not contiguous with any of the other states. Alaska in located in northwest North America and the Hawaiian Islands in the Pacific Ocean. The United States also has a collection of overseas territories and possessions around the world. Each of the 50 states has a high level of local autonomy under the federal system.  

The United States has land borders with Canada and Mexico, as well as several territorial water boundaries with Canada, Russia and The Bahamas. It is otherwise bounded by the Pacific Ocean, the Bering Sea, the Arctic Ocean, the Atlantic Ocean, the Gulf of Mexico, and the Caribbean Sea. Two of the fifty states, Alaska, an exclave, and Hawaii, an archipelago, are not contiguous with any of the other states. Alaska in located in northwest North America and the Hawaiian Islands in the Pacific Ocean. The United States also has a collection of overseas territories and possessions around the world. Each of the 50 states has a high level of local autonomy under the federal system.  

At over 3.7 million square miles (over 9.6 million km²), the U.S. (including its non-contiguous and overseas states and territories) is the third largest country by total area. It is the world's third most populous nation, with over 300 million people.  

At over 3.7 million square miles (over 9.6 million km²), the U.S. (including its non-contiguous and overseas states and territories) is the third largest country by total area. It is the world's third most populous nation, with over 300 million people.