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What river runs along the Texas-Mexico border?

Retry Correct Incorrect Although it runs along much of the United States’ southern border, the Rio Grande is often considered the natural demarcation point between Texas and the Mexican states of Chihuahua, Coahuila, Tamaulipas, and Nuevo León. Although California chiefly borders Baja California, Mexico, and Arizona borders the southern nation’s Sonora state, Texas is large enough to touch four of Mexico’s states.

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Andrew Lichtenstein/Corbis via Getty Images

Andrew Lichtenstein/Corbis via Getty Images

What river runs along the Texas-Mexico border?

• Columbia River
• Rio Grande
• Red River
• Yellowstone River