Map of the American Southwest. Northern Mexico takes up the southern half of the map. Texas, New Mexico, Arizona, California are on Mexico's northern border, right to left. A shaded area, labeled Comanche/Kiowa Raiding circa 1840 to 1846, covers a large portion of northeastern Mexico and a little over the southwest border of Texas.
Public Domain

How did the events, shown in the map, affect the Mexico/U.S. border region? (5 points)

Group of answer choices

Decreased military presence on the Texas/Mexico border

Increased tensions in the Texas/Mexico border dispute

Migration of Texan settlers from Texas into Mexico

Aid to Mexico from the U.S. government to combat Native Americans