What are some of the ways people live in the southwest

"Southwest Indian, member of any of the Native American peoples inhabiting the southwestern United States; some scholars also include the peoples of northwestern Mexico in this culture area. More than 20 percent of Native Americans in the United States live in this region, principally in the present-day states of Arizona and New Mexico.

The Southwest culture area is located between the Rocky Mountains and the Mexican Sierra Madre. The Continental Divide separates the landscape into the watersheds of two great river systems: the Colorado–Gila–San Juan, in the west, and the Rio Grande–Pecos, in the east. The environment is arid, with some areas averaging less than 4 inches (10 cm) of precipitation each year; droughts are common. Despite its low moisture content, coarse texture, and occasional salty patches, the soil of most of the Southwest is relatively fertile.

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The distribution of resources in the region is determined more by elevation than by latitude. The predominant landscape feature in the north is the Colorado Plateau, a cool, arid plain into which the Colorado and Rio Grande systems have carved deep canyons. Precipitation tends to be greater at the plateau’s higher elevations, which support scrub and piñon-juniper woodland, rattlesnakes, rabbits, coyotes, bobcats, and mule deer. At lower elevations the plateau also supports grasses and antelope. To the south the river systems descend from the plateau, and canyons, mesas, and steep escarpments give way to a basin and range system. River valleys here support clusters of cottonwood, willow, mesquite, and sycamore trees, and mule deer, fish, and waterfowl. The areas away from the rivers are characterized by desert flora and fauna, including mesquite, creosote bush, cactus, yucca, small mammals, and reptiles."

D. Democratic control by the people over the central government.

B. All officals in the central government tightly controlled by the state governments.

C. Three distinct and separate (legislative, executive, and judicial) branches of government.