The white population could not possibly be unaffected by those events - some whites more stubborn in their defense of segregation, but others beginning to think in different ways. And the black population was transformed, having risen up in mass action for the first time, feeling its power, knowing now that if the old order could be shaken it could be toppled.
"You Can't Be Neutral on A Moving Train". Book by Howard Zinn (Chapter 4: "My Name is Freedom": Albany, Georgia), 1994.