He (Balarama) was angry at Bhimasena when the latter struck Duryodhana on the thigh or below the belt, and He wanted to retaliate the unfair action: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.