Question

What is the science of getting ships from place to place, including the determining of position, course and distance traveled?

Answer 1

The science of getting ships from one place to another place is A - Navigation.

Monopoly refers to an economic condition where one big company owns the majority market
Mercantilism refers to an economic system that was used a few centuries ago. 
Astronomy refers to the study of celestial objects.

Answer 2

The Answer is A)Navigation