How did the incas control their huge empire without modern methods of communication? a. a system of roads and government buildings existed along the 2,000 mile long empire. b. professional couriers ran messages in a relay system. c. birds with messages tied to them were trained to deliver important information. d. they had a system of signals along the mountains in which they lived.

One day as your professor is driving to work, another driver runs through a red light and hits his car. the professor is shaken up but survives the accident. however, the next time he starts to enter the intersection,he becomes nervous and fearful. soon,he starts going to work via another route to avoid the intersection even though this route adds twenty minutes to his commute in each direction. according to the principles of classical conditioning, why does the professor become scared of the previously harmless intersection? what can he do about this, as going via other route is very time consuming? be specific. break down the situation into its parts and show how the principles of learning apply.

The theory of mercantilism holds that a nation's economic power comes from a a.enslave people b.become industrial c. willingness to explore d.favorable balance of trade

Write a supreme court opinion that describes your decision for united states vs abel fields