Which items originated in the Americas and became European staples as a result of the Columbian Exchange? corn, chocolate, rice, and sugar
rice, cattle, tomatoes, gold
wheat, chocolate, pineapples, potatoes
corn, potatoes, chocolate, tomatoes

D. corn, potatoes, chocolate, tomatoes

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world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.