Which of the following is a recognized American Indian tribe in the U.S.?

The Apache is a recognized American Indian tribe in the United States, known for their distinct cultural heritage, traditions, and languages. The Apache people have a long history and have maintained their identity through various means, including their customs, art, and community structure. They play a significant role in the narrative of American history and continue to be an active part of the cultural fabric of the nation.

The other choices refer to cultural or ethnic groups that do not fit the criteria for recognized American Indian tribes. Hispanic refers to people of Spanish-speaking heritage, Anglo pertains to individuals of English descent, particularly in the context of American demographics, and Viking relates to the Norse explorers and warriors from Scandinavia. None of these options represent tribes with the historical and recognized status that the Apache holds within the context of American Indian tribes.