Under the articles of confederation, why would congress find it difficult to go to war against another country?

a) it could not raise a national army.

b) it could not conduct diplomacy.

c) it could not declare war.

d) it could not pay soldiers.

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.