Defender of the subject
hope this helps
B Economic conditions were improving making it easier to find work.
All the others are reasons so B is the one that is NOT a reason.
Chocolate or cacao beans
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Answer: mesopotamia
Explanation: Sumer, located in Mesopotamia, is the first known complex civilization, developing the first city-states in the 4th millennium BCE. It was in these cities that the earliest known form of writing, cuneiform script, appeared around 3000 BCE.
