They each had a sophisticated form of writing. They each had massive architectural and scientific achievements. They each had a practical use astronomy and mathematics. Each empire relied on a hierarchical social system with a powerful leader at the top followed by his subordinates and then commoners. Each relied on trade and conquest to expand their empires.
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plains, fertile land, etc.
The first civilization was born in the river valleys of Mesopotamia, Egypt, India, and China.
They had to make products to trade for scarce resources -studyisland
The reality is that they evolved in the river valleys of China, India, Mesopotamia and Egypt. Not exactly Europe?
Mesopotamia, Egypt, India, and for the forth I`m not very sure, maybe the region of China