Historical Concepts and Discoveries

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Prehistoric refers to the time before the invention of writing.

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Prehistoric is the period before written records existed.

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Mary Leakey's discovery of footprints indicated that hominids walked upright earlier than previously believed.

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Hominids were capable of walking upright earlier than scientists had thought.

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Discoveries in the Shanidar cave revealed that Neanderthals had developed religious beliefs.

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Neanderthals showed evidence of religious practices and beliefs.

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Egyptian farmers were more fortunate than Mesopotamian farmers because the Nile flooded at regular intervals, while the Tigris and Euphrates flooded irregularly.

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The predictable flooding of the Nile provided stability for Egyptian agriculture.

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Cities of the Indus Valley were distinguished by their planned layout and advanced plumbing and sewage systems.

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Indus Valley cities were notable for their urban planning and sanitation systems.

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The major advantage of the Chinese system of writing was that people all over China could read it, even if they spoke different languages.

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Chinese writing was universally understood across linguistic barriers.

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Hinduism and Buddhism share a common belief in reincarnation.

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Both religions emphasize the cycle of rebirth and reincarnation.

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The Ten Commandments became the basis for the civil and religious laws of Judaism.

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Judaism's laws were influenced by the Ten Commandments.

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Assyria developed a strong army due to the necessity of defending itself from frequent attacks, as it had no natural barriers.

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Assyria's lack of natural defenses led to the creation of a powerful military.

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The belief of the prophet Zoroaster in the concept of Satan and angels was similar to later concepts in Christianity and Islam.

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Zoroaster's teachings influenced ideas in Christianity and Islam.