Reddit mentions of White Flight: Atlanta and the Making of Modern Conservatism (Politics and Society in Modern America)

I'm not saying people who live in the burbs are immoral by nature of what type of neighborhood they live in, to be clear.

But you have to go back and look at why suburbanization was such a powerful trend in the second half of the twentieth century.

One of the main drivers was white flight: once it became clear that whites couldn't continue to maintain the color line within city limits, they simply moved. I recommend this book if you'd like to learn more about the history.