Answer:
d. ethnocentrism
Explanation:
Ethnocentrism: It is defined as the faith or reliance that one's own set of beliefs and values is superior or haughty to others', always leads to negative connotations. It is often considered as the main reason for most of the social problems, including oppression, slavery, and wars, among others.
The main cause of Ethnocentrism:
1. Social factors i.e social representations and norms and representations.
2. Evolutionary factors.
