भिन्नेष्वन्यतमोपग्रहेण चेष्टेत ॥ कZ_०७.१४.०९ ॥
bhinneṣv anyatamopagraheṇa ceṣṭeta
When they are split, one should act by securing (winning over) one of the factions/parties.
Targeted co-optation: bringing a key faction/leader under influence through inducements, assurances, or leverage.