Not all of the earlies civilizations formed centralized kingdoms, like the ancient Sumeria or Greece.
Not all of them developed the same technological progress.
Not all based their belief system on the worship of natural elements.
Explanation:
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It can be said that the process that allowed the appearance of early civilizations was after the passage from a nomadic way of life to a sedentary way of life. Many nomadic peoples settled in a place after the so-called agricultural revolution.
Agriculture and Livestock allowed the obtaining of food through land work and the domestication of animals. This abundance of food was the reason behind the increase in the number of people.
The need to protect and manage food led people to gather, giving rise to the first cities.
The more radical they got the more they started blaming their problems on others, especially Americans for the gulf war. Resulting in several terrorist attacks around the world.
