What is the major difference between paleolithic and neolithic culture

Iam not here to cheat, i just need to check my answer. how were incan commoners grouped within their social class? a. by gender and age b. by family rank c. by wealth and status d. by religious worship my answer is c. i believe this because slaves are at the bottom of the rank, whilst the emperor is above all.

Who founded the social contract theory of the government

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?