What was the purpose of the earliest schools in sumer?

What is the name of the social stratification set up by the vedic peoples of the indus river valley civilization

Word does jefferson use in opening of the second paragraph that means "obvious? "

Astudy of the generalization most clearly supports the generalization a. differing religious beliefs have been a source of conflict b. as the culture of the middle east developed very little was borrowed from other countries c. the nations of the middle east have long played a dominant role in world affairs d. the people of the middle east have generally adopted the ideas and values of western culture