Development of permanent settlements, they were hunters and gatherers before which made them travel often
Marxism theory is that the upper tear of society rules the lower tear, and institutions like social welfare is one way that the lower class tries prevent their exploitation. This is Social Control of the social classes. The lower tear engaging in welfare is the exorcize of their power,
It established the idea of the “separate but equal.” It ruled segregation violated the rules of the Constitution. It created laws to make separate facilities equal for all races. It generated interest in the link between grades and emotions.