Groups in supportive climates show evidence of nonverbal immediacy

According to the text, all of these factors influence communication EXCEPT _____

a. cultural differences b. cognitive abilities c. social norms d. conclusive evidence

Why might it be valid to say that when a given ethnic group begins to move into a neighborhood that has been dominated by another ethnic group for a long time, it can undermine the sense of community in that neighborhood?

What will be an ideal response?