Why does an individual need the company of other people?

What is the social order of the ancient river valley civilization of mesopotamia?

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates