Final answer:
Linguistic anthropology is the branch of cultural anthropology that focuses on studying languages and how they shape cultures. By studying the First Nations peoples of Canada, linguistic anthropologists can trace the spread of their languages and gain insight into their culture, history, and worldview.
Step-by-step explanation:
Linguistic anthropology is the branch/field of cultural anthropology that focuses on studying languages and how they shape cultures. Linguistic anthropologists analyze the meaning of words, language dialects, and how language is used in different social contexts. By studying the First Nations peoples of Canada, linguistic anthropologists can trace the spread of their languages, both written and spoken, and gain insight into their culture, history, and worldview.