Telling an African-American man that he is pretty cute for a Black man or that he is not like other Black men best exemplify what concept?

It exemplify the concept of Stereotypes.

Explanation:

Stereotypes is a situation where beliefs of a particular group of people are over generalized. It is the expectation people have about other group of people which could vary. For example, an expectation about the group's personality, preferences, or ability.

In the case of telling an African-American man that he is not like other black men exemplifies stereotypes about black men. That is, African-American men are ugly and not good looking generally.

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.