Answer: the answer to your question is false.
Answer:
One hundred years later (after the end of slavery), the Negro lives on a lonely island of poverty in the midst of a vast ocean of material prosperity. ... “ They were separated from the rest of society because of how poor they were (and, as King says in a previous sentence, because of racial discrimination).
Explanation:
They left rich soil when flood waters receded. So the correct option for the given question is option "d". It has been seen that rivers carry with them very rich and fertile soil which the farmers prefer because the amount of crop and the quality of crop is much better than they can get in any other place. The civilization of ancient Egypt as well as the Indus valley civilization were totally dependent on the Tigris and the Indus river respectively, as far as irrigation was concerned. Seasonal flooding always brings with it new fertile soil for irrigation.
It was known as The Holocaust, which a Holocaust is where one group of people try to eliminate a certain group of people like how the Nazis tried to get rid of the Jewish people.