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.
Answer:
They developed the idea of creating trusts.
Manorialism helped the two nobles and laborers by utilizing an exceptional framework. This framework is the point at which the ruler got sustenance and work in return for his security.
Manorialism is where a ruler of the house would make the serfs or inhabitants take a shot at his domain or fief. The medieval times arrangement of manorialism was the association of a nation economy and society. Laborers had rights to utilize the land and space keeping in mind the end goal to live.
