Which spanish explorer led the expedition that conquered the incas?
christopher columbus
hernan cortéz
francisco pizarro
ferdinand magellan

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

they chose sides following the death of the islamic prophet muhammad in ad 632. a dispute over succession to islamic prophet muhammad as a caliph of the islamic community spread across various parts of the world, which led to the battle of jamal and battle of siffin.

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