7. Which of the following statements best describes a major impact of the Columbian
Exchange on Europe?
a) Immigration from the Western Hemisphere significantly altered the ethnic makeup of
Europe.
b) New draft animals from the Western Hemisphere greatly increased the productivity of
European farmers.
c) New food crops from the Western Hemisphere promoted longer life spans in Europe.
d) New diseases from the Western Hemisphere killed close to 90 percent of Europe's pre-
Columbian population,

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(100 points) project: progressive era research your topic and write at least seven hundred words to discuss one of the following topics. a. evaluate the impact of progressive era reforms. b. evaluate the impact of progressive reform leaders such as susan b. anthony or robert lafollette. c. evaluate the impact of third parties and their candidates such as h. ross perot and george wallace on america. note: as with any research you do, evaluate the validity of your source: a. who is the author? b. is the author an authority on the subject? c. how does the author use language? d. what sources appear in the author's work? e. from what you know or have learned about the author, is the presentation inappropriately biased?

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