The United States Civil War was the bloodiest war in American history.
National Grange of the Order of patrons of Husbandry
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.
Rivers often act as really effective and accessible trade routes, so the historian could use this map to analyse trade routes between Early River Valley Civilizations.
Hope this helps :))
