Usually demand refers to someone tell someone else what to do, or how to do it. For example "Give me the remote." could be demanding.
Answer:The Han dynasty (206 BC – 220 AD) of ancient China experienced contrasting periods of economic prosperity and decline.
Explanation:
It’s cheaper, and it’s also the ideal way to move big volumes of cargo.
The Umayyads were unable to conquer the nascent Christian Kingdoms in the North which included but were not limited to: Leon, Castille, the Basque Territories, and the Catalonian Counties. In addition, the Umayyads were not able to prevent the fragmentation of their territory into the Taifa Kingdoms in 1038.