PLEASE HELPP! Explain the historical circumstances that led to the development of use of quipu in the incan Empire.

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power

What is the impact of enlightenment ideals on the development of economic, political, and religious structures in the western world?

According to this contract, when will the sharecropper receive his payment?