Anthropologists who study the ways of living peoples are called:
a : zoologists
b : ethnologists
c : biologists
d : botanists

It would be B: Ethnologists. Hope I helped. :)

Explanation:

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.

not sure might be he acquired the entire oregon territory from great britain