Read the following sentences: “Black men and women and children re-boarded the buses of Montgomery, newly desegregated, and sat in whatever seat happen to be open. And with that victory, the entire edifice of segregation, like the ancient walls of Jericho, began to slowly come tumbling down.” As used in this sentence, what does “segregation” mean?
A) the practice of keeping people of different races separate
B) the specific type of bus used in Montgomery, Alabama
C) the practice of keeping people of different sexes separate
D) the belief that some people or races are superior to others