The history of human society goes back centuries. Groups of primitive people (protohumans), appearing more than two million years ago in Africa, mastered more and more new lands and continents. Through Eastern Asia, the Balkans, they entered the territory of Ukraine. Gradually, people invent the simplest tools. It was a real revolution in their lives, it helped separate them from the animal world and accelerate their mental development. A conscious process of production activity arises, thinking develops.