<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.
Generally speaking, this recession was far more devastating than other relatively recent economic downturns in that it lasted longer than expected and many more homes and jobs were lost than expected. Thus the term "Great Recession".
Authority gives a state the right to use its power
Answer:
true
Explanation:
agricultural societies depend on tools to gather food and materials to live