Intersectionality and Black Feminism

Step 1: Watch Patricia Hill Collins talk about Black Feminism, Intersectionality, and Democratic Possibilities: Coalitions, BLM, and elections https://www.youtube.com/watch?v=0qU10tQ_rHo
Step 2: Answer the following question in one paragraph:

How does understanding intersectionality and flexible solidarity help create impactful coalitions among diverse people?