Complex sentence: She is evaluating the linguistic heritage of her tribe and the effects of loss of language upon people, how one communicates with elders and ancestors when the words they used no longer exist and how that changes the values of people are areas of study.
Split into simpler sentences: She is evaluating the linguistic heritage of her tribe and the effects of loss of language upon people. How one communicates with elders and ancestors when the words they used no longer exist and how that changes the values of people are areas of study.