How did the europeans create the tribal tensions.

War was frequent across Anatolia by around 5,500 B.C., central Europe by 4,300 B.C., and northern China by 2,500 B.C. Ancient states encouraged more militarism ...

Explanation:

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:

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.