Who led cuba to a revolution, became dictator for over 50 years, and converted the nation into a strict communist regime?
a. kim jong il
b. mao zedong
c. juan per n
d. fidel castro

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.