Elana’s grandparents speak Oneida, a Native American language of their ancestors in what is now the state of Wisconsin. Elana doesn’t know much Oneida and it is considered an endangered language with only a couple hundred speakers, at the most. Why might the Oneida language be endangered?

A.
Diffusion has weakened it.

B.
Its parent language is also endangered.

C.
Competition from a more dominant language.

D.
Other dialects are becoming more popular.