Which major rock edict of Ashoka describes the Kalinga war?

The correct answer is Major Rock Edict XIII. Major Rock Edict XIII narrates the conquest of Kalinga, casualties, deportations, Ashoka's remorse and his preference for conquest through dhamma. Similar-looking options often belong to a different edict, institution, dynasty, religious tradition, or chronological phase. Reading the wording closely is therefore essential, especially when the question uses expressions such as ‘according to the Arthashastra’, ‘major rock edict’, ‘traditionally associated’, or ‘first used widely’.