How did southern lawmakers in the 1960s keep the races separated

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

Mike and his wife, amanda, are arguing about his in-laws. mike doesn’t want them to visit because they fight all the time when they come to the house and he is worried about the effect that their fighting is having on mike and amanda’s children. amanda finally yells out: “what about our fighting? ” mike replies, “well, that’s different. we fight because we’re having a disagreement, they fight because they hate each other! ” this is an example of

Describe some effects of the rise of communism in the soviet union?