It describes the separation of national and state governments.
Answer: Greater diversity can broaden our conceptions of art, history, music, language studies and other arts and humanities
Explanation: hope this helps :D
(A. <span>Operant conditioning-------------------------</span>
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In my opinion no it is not necessary to do people there doing a good job. But it does make the other person feel better . But you cannot give a person to much glory for then they will only strive to hear good feed back and not be use to hearing constructive negative comments .