Says that increased prejudice and discrimination result from limited resources and consequent intergroup conflict.

The answer is “Realistic Conflict Theory”. Realistic Conflict Theory refers to the communal exemplary, wherein it tries to enlighten and discuss why bias, negative stereotypes, and discrimination are being established unto the diverse members of other social groups. The theory assumes that prejudice and discrimination results from the inadequate wealth and the resulting inter-group conflicts

i think it's b or c hope this