Evidence:
"The rise of agriculture enabled people to settle in villages. They didn't have to search for food. As more people decided to live in communities, villages grew larger. In time, they became cities. City leaders had to start organizing workers to solve problems, such as building and cleaning irrigation canals. Over time, society and culture grew more complex. These changes led to an advanced form of culture called civilization. Most historians think the first civilization rose about 3300 B.C. in Sumer, which was a region in southern Mesopotamia (The First Civilization pg: 1)
Analysis:
With the rise of agriculture also came a lot of surplus, trade allows for a surplus of food such as grain to be distributed among a city, city-state, empire, etc. With a surplus of food and a way to trade it offered the ability to have traders, merchants, and citizens who specialized in a specific and,or unique form of trade such as potters, jewelers, construction workers, tailors, etc, these job professions allowed for more diverse forms of trade and with it also attracted people from other settlements, this led to a large increase in population that would soon turn into a city and also marked the start of the first ever civilization.
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