Answer:
The correct answer to the question about the Navajo, would be, that they, B: share Athabascan ancestry with the Apache.
Step-by-step explanation:
The Navajo Nation is the second largest Indian tribe in North America, only superceded by the Cherokee. Residing mostly in Arizona, New Mexico and Utah, this Nation has the largest reservation of all in the United States. One characteristic that the Navajo´s are known for, and that is common to them, is their shared ancestry with the Apache, another of the Indian Nations. According to historical and arqueological data, as well as given language development, researchers know now that both the Apache and Navajos seem to originate from a common ancestor, the Athabaskans, who migrated from Alaska and Canada around 1400 C.E. This is why the correct answer is B.