Because both cd-r and cd-rw drives require a powerful making a drive that could burn cd-rs and cd-rws became a simple process, and plain cd-r drives disappeared almost overnight.

laser

Explanation:

A powerful laser is require to make a drive that could burn CD-Rs and CD-RWs became a simple process.

the correct answer is "c": the pillars proclaimed his regret at the bloodshed at the battle of kalinga and his conversion to buddhism.

the kalinga war is considered as one of the largest battles in the history of india. it was fought between the between the maurya empire, which ruled the lands of what is now known as india at the time, and the independent feudal kingdom of kalinga.

the army of maurya empire, led by its king ashoka, fought a prolonged war against kalinga. the war ended around 262 bce with the victory of the maurya empire. it is believed that ashoka, after having witnessed the loss of many lives during this war, felt deep responsibility and eventually converted into buddhism.