Because slaves did all the work white people felt like the didnt have to do so slaves did all the work
The feudal system was just like an ecosystem - without one level, the entire system would fall apart. The hierarchies were formed up of 4 main parts: Monarchs, Lords/Ladies (Nobles), Knights, and Peasants/Serfs. Each of the levels depended on each other on their everyday lives.
2: McCarthy spent almost five years trying to expose communists and other left wing "loyalty risks" in the us government
A rich layer of fertile ground was left where people could grow agricultural products. This enabled them to settle down in the river valley and start building a civilization. The flooding of the Nile became a major thing in Egyptian culture because their lives depended on successful harvests and floods.