Why did the umayyad caliphate often have a hard time controlling the lands at conquered

On the graph, the bottom horizontal line represents

What is the definition of evolution

The superiors and subordinates of fbl inc., a swedish furniture manufacturing company, share a warm camaraderie. what kind of hofstede’s value dimension does this exhibit? a. a high power distance index b. a low power distance index c. a high uncertainty avoidance index d. a low uncertainty avoidance index