WORLD CIVILIZATION

Detailed explanation-1: -What solution did people in the Zagros foothills find to fix the problem of food shortages? They decided to move to the plains. What caused food shortages in Zagros foothills?

Detailed explanation-2: -Then problems arose. By 5000 B.C.E., some historians believe, farmers in the Zagros foothills did not have enough land to grow food for the increasing number of people. As a result, villages began to suffer from food shortages.

Detailed explanation-3: -Food shortages had forced settlers in Mesopotamia to move from the foothills down to the river valley. There, farmers faced the problem of having either too much water or too little. To control the water supply, Sumerians built a complex irrigation system.

Detailed explanation-4: -How did the Sumerians solve the problems they faced? Sumerians solved problems they faced by digging ditches from the river in order to receive water for their crops. They also build baked mud huts for defense. This helped the Sumerians to use their problem solving for other issues they needed to solve.