Which list puts the event leading to the development of civilizations in the correct order? (middle school)

The ancient civilization known to men were the Sumerians. Modern history dates the establishment of the Sumerians approximately 5000 BC. They settled in the middle of the Tigris and Euphrates River, in the Middle East region of what today is Iraq. They founded powerful city-states such as Uruk, Ur, Eridu, Nippur, Kish, and Lagash.

Then, the ancient Egypt civilization. They settled in the banks of the Nile River in North Africa. Historians debate on its origin but some agree that it was approximately 3500 to 3000 BC.

The Indus Valley civlization settled in the northwest part of South Asia, next to the Indus River, almost 3000 to 2500 BC.

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