Explanation:
<h2>Answers.</h2>
The Columbian Exchange introduced exotic crops like corn ,white potatoes, sweet potatoes ,beans,tomatoes, peanuts and blueberries to Europe. Non-native grains like wheat,barley and rice became commonplace on American soil and increased the variety of crops that could be stored through the winter.
C. too focus for historical evidence
Answer:
B. Physical geography and fear of the unknown
Explanation:
When it came to trading goods in this time period many were scared to travel in the fear of not being able to get back due to the lack of navigation as well as such weird geography really hope this helped. :)
