The Indus river was a constant flow of natural resources. The river also made the soil very fertile and that meant good crops when planted in the right season, it also made it easy for trade boats to pass through.
Answer:
maybe questions a bout world history or even some civics mixed in
Explanation:
Three major factors that contribute to Africa's lack of economic and human development would be extreme corruption in government, a lack of sustainable resources, and seemingly endless tribal warfare.
Life: everyone is entitled to live.
Liberty: everyone is entitled to do anything they want to so long as it doesn't conflict with the first right.
Estate: everyone is entitled to own all they create or gain through gift or trade so long as it doesn't conflict with the first two rights.