Slavery and the power of federal government led to a war in america
Answer:
The Mongols. (Genghis Khan, so on, so on.)
Explanation:
When the Mongol Empire was per se at its peak, the Mongols had controlled much of Eastern Europe and the majority of mainland Asia. This meant they controlled The Silk Road, the many trade routes between Europe and China.
They still held forts in the Northwest territory! Hope it helps;)
I think the first questions' answer is two, the second questions' answer is answer is two and the third questions' answer is number three. Hope this helps.
:)