Answer:
D. cultivate certain crops
Explanation:
In the Columbian Exchange, Europeans were exposed to new crops that they have never seen before. These included potatoes, corn, sugar, and more. Europeans would bring these new crops back to Europe and begin to use them to their advantage. Heck, potatoes single handedly saved the majority of the European population from starvation.
I would say language diffusion
Answer:
A major impact of the crusades was the effect it had on trade. The pilgrimage of thousands of Europeans to the Holy Land created a need for new routes for supply shipments to feed and arm the crusaders. A third major impact of the crusades was the effect it had on the role of feudalism in the lives of Europeans.
Hope this helps
Answer:
The status of the scribes affected who they worked and how much they were paid
