What Was One of the Methods the Inca Leaders Used

Multiple Choice

What was one of the methods the Inca leaders used to help maintain control of those they conquered?

A) Removing the conquered people from their native lands.
B) Heavy  taxation to keep them poor and dependent on the Inca.
C) Placing military forces over them to enforce obedience.
D) Forcing them to serve in large numbers in military service for the Inca.
E) Using spies to help stamp out all resistance before it could get a strong foothold.