<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
C because the famous saying is Manifest destiny is the god given right. Spreading culture is the definition.
Vikings became less willing to attack christian lands.<span>
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Im taking the test now and i think that the first one is D
