Quechua is a Quechuan language, not a Uto-Aztecan language.

The Uto-Aztecan language family is divided into three branches: Northern, Southern, and Central.

Shoshone is a Northern Uto-Aztecan language.

Tarahumara is a Southern Uto-Aztecan language.

Nahuatl is a Central Uto-Aztecan language.

Nahuatl has the largest number of speakers of any Uto-Aztecan language.

Hopi is spoken in the United States, primarily in Arizona.

Nahuatl is spoken in Mexico, primarily in central and southern Mexico.

Tarahumara is spoken in Central America, primarily in Mexico and Guatemala.

None of the Uto-Aztecan languages are spoken in South America.

All of the above are characteristic features of Uto-Aztecan languages.

Subject-verb-object word order is not a characteristic feature of Uto-Aztecan languages.

All of the above are major threats to the survival of Uto-Aztecan languages.

All of the above can be done to help preserve Uto-Aztecan languages.

The future of Uto-Aztecan languages is uncertain, but there are efforts underway to preserve and revitalize these languages.