2. Why did the Mongol invasions across most of Asia and much of Europe have such a tremendous impact?

Mainly because their empire was the largest empire in the world. Containing the most diverse amount of social classes and races. They practiced religious tolerance which at that time was a huge leap forward in social development. They also allowed for large and widespread free trade across there empire. So overall they found new ways to further knowledge in trade, culture, and even tactics of war.

Explanation:

they could have a boston tea party.

it the big letter b heart my answer