B. Islam
C. Christianity
D. Judaism
12. What was the effect of the development of the knowledge of navigation?
A. The knowledge of navigation made binding and printing books easier. This allowed more people to learn to read.
B. The knowledge of navigation allowed people to travel longer distances. This allowed for more trading and a greater exchange of knowledge.
C. The knowledge of navigation allowed people to travel longer distances. This allowed people to travel without talking or meeting others.
D. The knowledge of navigation allowed people to travel longer distances. This allowed people to travel without talking or meeting others. The development of the knowledge of navigation had no effect. People had always traveled.