Select the correct answer. You are writing a paper on the history of the Socialist Party of America. Which historical figure would you need to research? A. Theodore Roosevelt B. John Rockefeller C. Eugene Debs D. Frank Norris

Which of these would be most useful in studying the effect of germs exchanged between the new and old worlds? a. a graph showing the number of europeans between 1492 and 1600. b. a graph showing the number of native americans between 1492 and 1600. c. a primary source description of the symptoms of an unknown disease affecting native americans in 1492. o d. a primary source description of the symptoms of an unknown disease affecting europeans in 1492.