All cultures have categories to distinguish people into "us and them" by ethnicity, race, religion or nationality. Bipolar societies that lack mixed categories, such as Rwanda and Burundi, are most likely to have a genocide. The main preventive measure at this early stage is to develop universal institutions that can transcend ethnic or racial divisions that actively promote blerance and understanding. O a) Preperation
b) Symbolization O
c) Classification O
d) Denial​