Analyze the effect that plentiful harvests had on population in the ancient civilizations of the mainland's river valleys. Write a one-paragraph answer. Plz help me with this, i dont understand.

Please answer these questions. Your answers will form the basis for your paragraph.

What is a plentiful harvest?

What happens to the people when there is not a plentiful harvest?

Why are there usually plentiful harvests in river valleys?

this didn't help at all thx alot

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To analyze the effect of plentiful harvests on the population in ancient civilizations of mainland's river valleys, you need to gather information about the relationship between agricultural productivity and population growth. Start by researching the ancient civilizations of Egypt, Mesopotamia, the Indus Valley, and the Yellow River Valley. Look for historical records, archaeological findings, and scholarly articles that discuss agricultural practices, crop yields, and population trends. Compare the periods of plentiful harvests to population growth in these civilizations. Identify any patterns or correlations between bountiful harvests and population expansion. Additionally, consider the impact of surplus food on trade, the development of urban centers, and the rise of complex societies. This analysis will provide insights into how plentiful harvests influenced population growth in ancient river valley civilizations.