शक्त्या तदनुगृह्णीयाद्विषहेत यया परम् ॥ कZ_०७.१८.३१च्द् ॥
śaktyā tad anugṛhṇīyād viṣaheta yayā param
One should support it (that ally) according to one’s capacity; and endure/hold out against the other side by the means with which one can withstand the superior adversary.
Commitment must be proportional to state capacity—avoid overextension while still enabling coalition effectiveness.