What family came to power immediately after the first four caliphs?

The Umayyads

were the first Muslim dynasty, established in 661 in Damascus. Their dynasty succeeded the leadership of the first four caliphs—Abū Bakr, ʿUmar I, ʿUthmān, and ʿAlī.

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workers should be given a fair share of the wealth their work creates

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donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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i googled "who was kolson johanson" and this is the answer i found.

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