Jared Diamond has identified 5 factors in which we find the collapse of the Mayas, the Vikings, and all of the great Mesopotamian civilizations. And every time, those 5 factors were reunited.
Jared Diamond identificó 5 factores que encontramos en la caída de los mayas, vikingos, de las grandes civilizaciones de Mesopotamia, y en todas ellas, se produjeron los 5 factores.