The U.S. southern border is formed by Mexico and the Gulf of Mexico.
The U.S. southern border is formed by Mexico and the Gulf of Mexico.
Rio Grande forms the Southern border of the United states.
the ocean that forms the western border of the US is the Pacific Ocean
The gulf that forms part of the southern border of the United States is the Gulf of Mexico
Yes.
Pacific Ocean
Rio grande
the Rio Grande
Florida.
Rio grande
The Rio Grande