Early humans began to settle along what geographic feature?

The topography of an area was important for early human settlement. Farmers preferred to settle in flat, open areas such as plains and valleys. Large, flat spaces gave farmers room to plant crops. Also, the rich soil in coastal plains and river valleys was excellent for growing these crops.

Explanation:

The four river valley civilizations were the Tigris & Euphrates Valleys, the Nile River Valley, the Indus River Valley, and the Yellow River Valley. Civilizations developed around rivers because their waters provided places to hunt and fish. Also, as the rivers flooded, the lands around them became fertile.

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

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explanation: