There is a cost of attending a college. The money and time that you spend on your education is an opportunity cost. You could the same amount of money and time for something else. What else could you do? What kind of lifestyle could you choose? What carrier would you have? All of these questions bear the concept of opportunity cost in this context.
Answer:
Ashoka decided to attack Kalinga due to its strategic location. Kalinga war was a horrifying event as it was mentioned in 13th Rock Edict of Ashoka. Approximately, hundred and fifty thousand people were wounded while hundred thousand people were killed in the course of the war.