Ancient Greek society began moving towards rational thinking and organized social structures in the 6th century BC under early philosophers like Thales of Miletus. Western societies have historically aimed to eliminate chaos through establishing rules and institutions, while also encouraging questioning of traditions. However, some non-Western societies like those in Papua New Guinea never developed in the same way due to lacking the agricultural technologies and crops introduced by European colonialism. Major historical events like volcanic eruptions have had widespread and unforeseen impacts across disconnected regions of the world.