Mesopotamia is sometimes referred to as the "fertile crescent" because a-it had a larger population than most modern-day countries. b-crops grew well there. c-the region experienced over 2000 years of peace. d-all of the choices are correct.

b crops grow better there it means between two rivers.

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:

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.