Which of these best describes the "Pentagon Papers"? * a. A list of known or suspected Communists working for the U. S. Government

b. A detailed blueprint of the Pentagon, which had been stolen by spies.

c. A weekly newsletter published for those who worked at the Pentagon.

d. A detailed history of U. S. involvement in the Vietnam Conflict.

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.