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Where did humans come from and how did those early communities function? How did the advent of agriculture change human society (neolithic revolution)?

The first civilizations appeared in major river valleys, where floodplains contained rich soil and the rivers provided irrigation for crops and a means of transportation.

The first humans originated in Africa's Great Rift Valley, a large lowland area caused by tectonic plate movement that includes parts of present-day Ethiopia, Kenya and Tanzania. Human …

And then from about 5,000 years ago, there appeared in the south of Mesopotamia, in the region called Sumer, the first real cities. These had populations up to 50,000 people.

About 10,000 to 15,000 years ago, humans began to mold nature to their needs and agriculture emerged in multiple places around the planet. We believe that it emerged independently and …

The Paleolithic era, marked by the use of stone tools, is the first major age in human history. It spans from the appearance of Homo sapiens to the advent of agriculture.

Khan Academy ... Khan Academy

By Dr. Senta German Course: AP®︎/College Art History > Unit 3 Lesson 2: Paleolithic, Mesolithic and Neolithic

The invention of farming about 12,000 years ago gave humans access to new food and energy resources, which increased populations, collective learning, and complexity.