Trade with the Arabs did a few things for the African kingdoms. It increased trade, profit, and led to a ruling class.
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I have a feeling that it's A. making laws
One of the actions that progressives took to help the poor is highlighting the poor living conditions and exposing corruption which helped inspire legislation at the state and federal level aimed at correcting these ills. They demanded social reforms through demanding for social change such as through journalists
If there is no exective power the bussiness wont beable to run becasue there is nobody in charge