How did muslim caliphates bring prosperity to many african kingdoms

Muslim caliphate a established centralized system of government and a vast trade network between Indian and China

Creating a vast trade network to India and China

Explanation:

Muslim Caliphates brought prosperity to many African kingdoms through connecting trading network to India and China. Trade and commerce played an essential role in the African Kingdom because of the geographical condition, which made them depended on the export of the goods. Sultanate of Mogadishu, Kilwa Sultanate and many others were some of the kingdoms that prosper because of trade. These kingdoms imported cloth, spices with   celadon wares and currency from China.    

battle of survival between farmers and the rabbits during the great depression

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.