John A. Powell, Civil Rights and Structural Racism Visionary, and the founder of the Othering and Belonging institute at UC Berkeley illustrates the very origins of American Racism and "Race" as a concept in this country in response to European, Indigenous and African peoples enslaved and indentured coming together to rebel.
Video Link: https://www.youtube.com/watch?v=bOYzr3mupbk&feature=youtu.be