Answer: what friends?
Explanation: Please tell me what this is so i can try my best to help.
The land between rivers, the euphrates and the tigris rivers
Most likely the spainish. They took a lot of slaves from the Caribbean, before after or during the salve trade with europe
In Asia, different leaders used different ruling techniques. Depending on the time period of this question, you can use China, with points about their bureaucracy and their civil exam system (where you have to be intelligent to be in the government). You can use the Japan and their Tokugawa system. They had a ranking of people like the Samaria and leaders. That’s how they exercised their power.