Each Consul could veto the action of the other. This is an example of what principle of government that we use in the U. S.?
A)Republicanism
B)Checks and Balances
C)Popular Sovereignty
D)Separation of Powers

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.