Why did ancient sumer most likely develop in mesopotamia? a) the land is situated on a crossroads of trade b) highlands shelter the land from outside invasion c) the tigris and euphrates rivers provide fertile land for farming d) humans first evolved from primates in this region

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.

a. there was serious competition for tech jobs at the downtown clinic.

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