Citing specific examples, defend or refute one of the following statements:
1. The Mongol Invasions of the 13th Century CE positively impacted humanity.
2. History was made by civilizations in climate zones where agriculture was possible (e.g., Egypt, the Fertile Crescent, the Indo-Gangetic Plain, the Yellow and Yangtze River Valleys, etc.); marginal peoples from north or south of this zone contributed nothing to human history.