What is an unproven opinion statement?

An unproven opinion statement is just that.

Which is to say, that it is a statement made by a person from their vantage point that has no grounding or basis in fact and is instead solely based on the person's experiences or imagination.

answer; /// i believe that the correct answer is (a) making presentations;

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.