Which of the following is a recognized American Indian tribe?

All of the tribes mentioned—Sioux, Cherokee, and Iroquois—are recognized American Indian tribes, making the answer correct. Each of these tribes has a rich history and cultural significance in the United States.

The Sioux, for instance, are known for their historical presence on the Great Plains and their resistance against European settlers. The Cherokee, one of the largest tribes in the United States, have a significant cultural history, especially noted for their efforts in adaptation and education, including the creation of their syllabary by Sequoyah. The Iroquois, known for their democratic governance and the formation of the Iroquois Confederacy, played a crucial role in early American history.

The recognition of these tribes highlights the diverse indigenous cultures present in the U.S., and they continue to contribute to the nation’s heritage and cultural landscape. This context demonstrates the significance and recognition of all the tribes listed, affirming that option is indeed accurate.