Why did the Renaissance begin in Italy? A. Roman ruins and the studying the classics reminded Italians of their past.
B. Italy was wealthy through trade and banking
C. Italy was centrally located in Europe and ideas came and went through trade routes
D. All of the above.

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.