What natural border separates the United States from Mexico? 🔊
The natural border that separates the United States from Mexico is the Rio Grande. Stretching approximately 1,896 miles (3,051 km), the river forms a significant part of the boundary between the two countries. Throughout history, the Rio Grande has played a crucial role in trade, agriculture, and the lives of the communities along its banks. It is also an important water source in a region characterized by arid conditions.


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