Which of the following is one recognized American Indian tribe in the United States?

The answer is recognized as "All of the above" because each of the listed tribes—Sioux, Cherokee, and Navajo—are indeed acknowledged American Indian tribes in the United States. Each tribe has its own unique culture, history, and governance.

The Sioux, located primarily in the Northern Plains, is known for its distinct social structures and historical influence, especially in the 19th century. The Cherokee, one of the most prominent tribes in the southeastern U.S., has a rich heritage and was significantly impacted by events such as the Trail of Tears. The Navajo, the largest tribe by population, is based in the Southwestern U.S. and has a rich tradition of art and weaving.

Recognizing that all three tribes are genuine and significant within American history and society makes the choice of "All of the above" the correct answer, showing the diverse representation of Native American tribes across the country.