In december 1776, which of the following troops did washington's surprised attacked had resulted to victory?
a. hessian troops at trenton..
b. british troops near philadelphia..
c. hessian troops at princeton..
d. british troops at dorchester heights..

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.