The answer to this question is "Political Instability". This is believed to be the result as per the conflict theorists point out that a declining standard of living society is likely to result in political instability in the respective countries. more issues and conflict will arise due to this declining standard living in the society.
He never went back to school, so he left school from 15 until death (at age 38).
Muslim rulers built great cities where scholars and artists made great innovation and adaption and cultural diffusion could take place
Good diplomatic relations with other countries is the key to prosperity of each nation. Every nation has its strong and weak points. Some nations have a strong infrastructure and finances while others are gifted with natural resources. A good diplomatic relation with nations helps each nation to progress and grow- thanks for the points