Which statement accurately describes an important effect of the Columbian
Exchange on Europe?
A. American diseases led to some of the deadliest and most
widespread plagues in European history.
B. European populations grew as a result of American foods being
introduced to European diets.
C. Native American ideas about political and religious freedom
caused Europeans to question their leaders.
D. Europeans began looking to African slave labor to prevent the
Columbian Exchange from spreading.