1. Ashoka became an ardent Buddhist after meeting the Buddhist monk Upagupta and propounded his Dharma.
2. The only true conquest he proclaimed is the conquest of self and the conquest of men's hearts by the dhamma or dharma.
3. He sent his son Mahendra and his daughter Sanghamitra to Ceylon to spread his messege of Dharma there.

(i) In one of his Kalinga edicts, he tells his horror and sorrow over the deaths which the war and conquest caused.
(ii) In yet another edict, he makes it known that Ashoka would not tolerate any longer the death captivity of even hundredth (or) thousandth part of the number killed and made captive in Kalinga.

1. Ajathasatru, the son of Bimbisara is said to have murdered his father and ascended the throne in 493 BCE.
2. He expanded his territery through military conquests.
3. He strengthened the Rajagriha fort and also built another fort at Pataligrama on the Ganges.

The three principles of Jainism are known as Tri-ratnas. They are Right faith, Right knowledge, Right action.

(i) The invention of smelting of iron transformed both production and warfare.
(ii) Before iron, copper and its alloy, bronze which were expensive were employed in production.
(iii) The weapons (or) ploughs made of copper (or) bronze edges became blunt quickly.
(iv) Iron ore in contrast was available in abundance.
(v) The weapons made of iron was in usage.
(vi) The iron axe enabled cultivators to clear the jungles and the iron plough was used to break the hardest soil.