These people became wealthy mostly because of efficient trade between countries. Trading was an important factor back then, and your key word is COASTAL, meaning they are by a sea (aka trading routes). So the answer is trading between countries.
Answer:
After uniting the nomadic tribes of the Mongolian plateau, he conquered huge chunks of central Asia and China. Before he turned 10, his father was poisoned to death by an enemy clan. Temujin’s own clan then deserted him, his mother and his six siblings in order to avoid having to feed them.
Explanation:
An advocacy campaign is a
planned group of people that are intended to reach a particular aim and
influence decisions within political, economic and social systems and
institutions. It includes the activities on media, public speaking, publishing
research and others.
