15. The Kwakinti Indians of North America lack electricity supply, and they
seem to have a less fulfilling life. The Bushmen of the Kalchari are non-
literate and they appear less intelligent. Relatively, you view your own
culture as superior to them.
What do the statements above explain?

a. Ethnocentrism
b. Cultural relativism
c. Structuralism
d. Structural formalism​