Such writers as Heyerdahl and von Daniken ignore ________ in their theories of world development.
A. diffusion
B. cultural contact
C. human capability
D. alien influences
E. agriculture
Question 2
________ allows a state to expand its territory much further than a chiefdom can.
A. Bureaucracy
B. An army
C. A strong leader
D. Long-distance trade
E. Loose, informal leadership