US CITIZENSHIP TEST PREPARATION

Detailed explanation-1: -The U.S. states along the border, from west to east, are California, Arizona, New Mexico, and Texas. The Mexican states along the border are Baja California, Sonora, Chihuahua, Coahuila, Nuevo León, and Tamaulipas.

Detailed explanation-2: -Alaska, Washington, Montana, North Dakota, Wisconsin, Michigan, New York, Pennsylvania, Vermont and Maine to name a few. 4 states touch Mexico (this is unambiguous.)

Detailed explanation-3: -The border between the United States and Mexico stretches for nearly 2, 000 miles from the Gulf of Mexico to the Pacific Ocean and touches the states of California, Arizona, New Mexico and Texas.