It started in China made from worms I believe and was considered a luxury item traded in the Indian Ocean trade and Silk Road.
Explanation:
The structures of absolute monarchy and the authoritarian state [the Christian Church], who were the dominating sources of governance and learning, were attacked by Enlightenment philosophers, who thought that reason will lead to general and absolute truths. The excesses of both institutions were the basis for this critique.
Answer:
They left Mesopotamia to live somewhere else. It might have been because the food(animals) moved around or something, but they don't usually stick around in one place for a long time.
Explanation:
17 billion - 9 billion = 8 billion so the surplus is 8 billion