Alabama is a state of the United States.
Alaska is a state of the United States.
Arizona is a state of the United States.
Arkansas is a state of the United States.
California is a state of the United States.
This source names China directly: "by area, after Russia, Canada and China, and emerged as a world power in the twentieth century, one of the preeminent powers since the Second World War."
Colorado is a state of the United States.
Connecticut is a state of the United States.
Delaware is a state of the United States.
Florida is a state of the United States.
Georgia is a state of the United States.
Hawaii is a state of the United States.
Idaho is a state of the United States.
Illinois is a state of the United States.
Indiana is a state of the United States.
Iowa is a state of the United States.
Kansas is a state of the United States.
Kentucky is a state of the United States.
Louisiana is a state of the United States.
Maine is a state of the United States.
Maryland is a state of the United States.
Massachusetts is a state of the United States.
Michigan is a state of the United States.
Minnesota is a state of the United States.
Mississippi is a state of the United States.
Missouri is a state of the United States.
Montana is a state of the United States.
This source names United States directly: "The scientific agency of the United States government responsible for oceanic and atmospheric science, including bathymetric survey of the world's oceans."
Nebraska is a state of the United States.
Nevada is a state of the United States.
New Hampshire is a state of the United States.
New Jersey is a state of the United States.
New Mexico is a state of the United States.
New York is a state of the United States.
North Carolina is a state of the United States.
North Dakota is a state of the United States.
Ohio is a state of the United States.
Oklahoma is a state of the United States.
Oregon is a state of the United States.
Pennsylvania is a state of the United States.
This source names United States directly: "Colonized by Spain from the sixteenth century and ceded to the United States in 1898 after the Spanish-American War, it was granted independence by the United States on 4 July 1946 following the..."
Rhode Island is a state of the United States.
The Saint Lawrence River also borders the United States, through New York and Vermont.
South Carolina is a state of the United States.
South Dakota is a state of the United States.
Tennessee is a state of the United States.
Texas is a state of the United States.
This source names United States directly: "straddling the border between the United States and Canada across east-central North America."
The Great Lakes straddle the border between the United States and Canada.
The Mississippi own entity-description already places it as a defining river system of the United States.
This source names United States directly: "The United States Board on Geographic Names and the National Oceanic and Atmospheric Administration formally recognized it as the world's fifth ocean in 2021, though older atlases folded its waters..."
This source names United States directly: "public reference maintained by the United States government, used here for continent and country-anchored population figures and physical geography summaries."
This source names United States directly: "The federal agency that manages the United States' national parks and publishes public educational material on the geology and natural processes at work within them."
This source names United States directly: "The scientific agency of the United States government responsible for surveying the nation's and, through international collaboration, the world's landforms and water bodies."
Utah is a state of the United States.
Vermont is a state of the United States.
Virginia is a state of the United States.
Washington is a state of the United States.
Washington, D.C., Cities Washington, D.C. is the United States' capital, coextensive with the District of Columbia.
West Virginia is a state of the United States.
Wisconsin is a state of the United States.
Wyoming is a state of the United States.