What I thought was especially insightful about your previous comment was taking into account the severity. However, in that case it’s not enough merely to “know the history” in a general sense. You have to know it well enough to judge the level of severity.

I expect that most Americans are at least vaguely aware of the relocation of Native Americans, slavery and discrimination against those of African descent, interment of Japanese-Americans, and so on. But are you confident that they’re aware in enough detail to make a proportionate response? If someone isn’t, how should they educate themselves?

Likewise, the degree to which our society disadvantages people isn’t necessarily obvious to anyone outside an affected group, even if that there exists some disadvantage is obvious. Again, if we as a society are going to recognize the varying severity of things, how do we educate each other about the relative severity and do so in a persuasive way?

(Also, an aside: capitalism is a natural ally to imperialism, but naturally antagonistic to patriarchy and white supremacy; to the extent that your “America is” statement is true, it’s a statement of deep internal contradictions. Profit is maximized when you exploit everyone, not just minorities or women. Perhaps you recognize this, but the way you phrased it made it sound like a coherent, if inhumane, set of principles.)