What are the Causes of the Kalinga War?

In the 12th year of his reign and the 8th year of his coronation, in 261 B.C., Asoka invaded Kalinga. From the view point of Mauryan imperialism, the conquest of Kalinga was considered necessary for various reasons. From the side of Kalinga, her freedom-loving people were powerful enough to resist the invasion with all their might. As a result, the [...]