Country borders are formed by natural features such as rivers and mountains, man-made structures like walls or fences, or agreed-upon boundaries established through treaties or historical agreements between neighboring countries. These borders serve to define the territorial limits of a country and determine its sovereignty.
The Orinoco River forms a 200 mile border between Venezuela and Colombia.
The Orinoco River forms a 200-mile border between Venezuela and Colombia in South America.
Russia forms much of China's northern border. The two countries share a long boundary in the north, primarily in the regions of Siberia and Manchuria.
The Chattahoochee River forms Georgias's southwestern border.
The Limpopo forms that border between Zimbabwe and South Africa.
California's southern border is shared with the country of Mexico.
Canada forms the most northerly border of the U.S.
The answer will vary, depending what country you live in.
The answer will vary, depending what country you live in.
The country that forms most of the northern border of the United States is Canada. The country directly to the south is Mexico.
The country that forms most of the northern border of the United States is Canada. The country directly to the south is Mexico.
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Germany
Canada!
The largest country in the world: Canada
The southernmost border was the one between southern Egypt ad Numidia
The largest country in the world: Canada