Why are so many US conservatives in this day and age still against racial mixing? They won't say it in public, but they are still against the mixing between Blacks and whites? Why?

Read also:

• I can’t get any girl I want, but I can just get some not my type of girls, so I feel I’m so ugly. What should I do?
• How do people who are deaf learn sign language? Is it typically taught by parents at a young age or are there programs available for learning it later in life?
• Why do liberals think same-sex marriage is alright? The Bible makes it very clear that it's not alright to be gay, why can't liberals understand that?
• Atheists, there is a god up there in heaven and he loves you so much that he sent his son to die the worst death imaginable and then to turn into a zombie all to save you from sin. Why do you reject him?
• Is there a musician who has publicly stated that they do not want their music played by the Trump campaign or at a Trump rally? If so, who and why?
• What methods do private investigators use to investigate someone in real life?
• Do you believe that social media companies should allow posts spreading misinformation about election results, as suggested by Rep. Jim Jordan?
• Why do I (45, male) feel like I'm crushing on a girl (19, female)?
• Do straight guys like to see cocks?
• How did my ex move on very fast?
• What is the Replika app, and how does it work?