By all means, continue...
So, let's establish some premises first, right?
So, we can agree on a few basic things I think:
A1) Human beings are inherently tribal.
A2) Tribalism entails degrees of trust and mistrust for ingroups and outgroups.
A3) Groups of such associations form implicit biases, or sociologically speaking, group biases, based on preference as well as prejudice. Some of this is learned, but much is simply based on fear.
...
B1) Humans, like other species, generally congregate and self-associate with others that they believe appear as their parents do (most animals never see themselves, they associate self image from their parents).
B2) In America (unlike say, Brazil), miscegenation is a much more recent phenomena (Loving v Virginia).
B3) America has a long history of forming social groups or classes based specifically on a system of racial categorizations that stems from it's founding. (See, US Constitution, Civil War, 13-15th Amendments, Civil Rights Act, Segregation/Desegregation, etc etc etc)
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So let's start with these premises.. Are we in agreement that {A1..A3} and {B1..B3} are true statements?