The Evolution of Human Societies The Evolution of Human Societies From Early Communities to Modern Nation-States Human societies have undergone…

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Modern & Contemporary Era Modern & Contemporary Era 1800 CE – Present The Modern and Contemporary Era marks the most…

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Medieval & Early Modern Era Medieval & Early Modern Era c. 500 CE – 1800 CE The Medieval and Early…

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Ancient Civilizations Era Ancient Civilizations Era c. 3000 BCE – 500 CE The Ancient Civilizations Era marks the transition of…

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Prehistoric & Early Human Era Prehistoric & Early Human Era c. 2.5 million BCE – 3000 BCE The Prehistoric &…

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Climate, Environment, and Human Adaptation Climate, Environment, and Human Adaptation c. 2.5 million years ago – Present Climate and environmental…

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