claim: In the southwestern United States is Phoenix, Arizona.
evidence: Arizona -LRB- -LSB- ɛərᵻˈzoʊnə ,   ærᵻ - -RSB- -RRB- -LRB- Hoozdo Hahoodzo -LSB- xoːzto xɑxoːtso -RSB- O'odham  : Ali sonak -LSB- ˡaɺi ˡʃonak -RSB- -RRB- is a state in the southwestern region of the United States .. Arizona. State songs of Arizona#Alternate State Anthem. O'odham. O'odham language. state. U.S. state. southwestern region. Southwestern United States. United States. United States. It is also part of the Western and the Mountain states .. Mountain. Mountain States. Western. Western United States. It is the sixth largest and the 14th most populous of the 50 states .. sixth largest. list of U.S. states and territories by area. 14th most populous. list of U.S. states and territories by population. Its capital and largest city is Phoenix .. Phoenix. Phoenix, Arizona. capital. capital city. Arizona is one of the Four Corners states .. Arizona. State songs of Arizona#Alternate State Anthem. Four Corners. Four Corners. It has borders with New Mexico , Utah , Nevada , California , and Mexico , and one point in common with the southwestern corner of Colorado .. New Mexico. New Mexico. Utah. Utah. Nevada. Nevada. California. California. Mexico. Mexico. Colorado. Colorado. Arizona 's border with Mexico is 389 miles -LRB- 626 km -RRB- long , on the northern border of the Mexican states of Sonora and Baja California .. Sonora. Sonora. Arizona. State songs of Arizona#Alternate State Anthem. California. California. Mexico. Mexico. Baja California. Baja California. Arizona is the 48th state and last of the contiguous states to be admitted to the Union , achieving statehood on February 14 , 1912 .. Arizona. State songs of Arizona#Alternate State Anthem. state. U.S. state. contiguous states. contiguous United States. Historically part of the territory of Alta California in New Spain , it became part of independent Mexico in 1821 .. California. California. Mexico. Mexico. Alta California. Alta California. New Spain. New Spain. After being defeated in the Mexican -- American War , Mexico ceded much of this territory to the United States in 1848 .. United States. United States. Mexico. Mexico. The southernmost portion of the state was acquired in 1853 through the Gadsden Purchase .. state. U.S. state. Gadsden Purchase. Gadsden Purchase. Southern Arizona is known for its desert climate , with very hot summers and mild winters .. Arizona. State songs of Arizona#Alternate State Anthem. Southern Arizona. Southern Arizona. desert. desert. Northern Arizona features forests of pine , Douglas fir , and spruce trees ; the Colorado Plateau ; some mountain ranges -LRB- such as the San Francisco Mountains -RRB- ; as well as large , deep canyons , with much more moderate summer temperatures and significant winter snowfalls .. Arizona. State songs of Arizona#Alternate State Anthem. Colorado. Colorado. Northern Arizona. Northern Arizona. Douglas fir. Douglas fir. spruce. spruce. Colorado Plateau. Colorado Plateau. San Francisco Mountains. San Francisco Peaks. There are ski resorts in the areas of Flagstaff , Alpine , and Tucson .. ski resorts. skiing. Flagstaff. Flagstaff, Arizona. Alpine. Alpine, Arizona. Tucson. Tucson, Arizona. In addition to the Grand Canyon National Park , there are several national forests , national parks , and national monuments .. Grand Canyon. Grand Canyon. Grand Canyon National Park. Grand Canyon National Park. national forests. U.S. National Forest. national parks. National parks ( United States ). national monuments. National parks ( United States ). About one-quarter of the state is made up of Indian reservations that serve as the home of 27 federally recognized Native American tribes , including the Navajo Nation , the largest in the state and the United States , with more than 300,000 citizens .. Navajo. Navajo language. Navajo Nation. Navajo Nation. state. U.S. state. United States. United States. Indian reservations. List of Indian reservations in Arizona. 27 federally recognized Native American tribes. Indigenous peoples of Arizona#Tribal entities in Arizona. Although federal law gave all Native Americans the right to vote in 1924 , Arizona excluded those living on reservations from voting until its state Supreme Court ruled in 1948 in favor of Native American plaintiffs .. Arizona. State songs of Arizona#Alternate State Anthem. state. U.S. state. federal law. Indian Citizenship Act