According to the work of anthropologist Franz Boas,
A. people of different cultures think differently due to their diet.
B. no race is superior to any other in brain power.
C. the concept of cultural relativism is wrong.
D. some societies and peoples are more evolved than others.
According to the work of anthropologist Franz Boas, "B. no race is superior to any other in brain power," since he was one of the first in his field to fight against what was known as "scientific racism".