Based on the lincoln's letter, why did he not pursue military emacipation? a. he could not convince the union army. b. he did not find it completely necessary. c. he did not have legislative support for it. d. he feared increased rebellion in the south.

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.