Mahabharata 9.9.58

यथा देवासुरं युद्धं पूर्वमासीद्विशां पतेअभीतानां तथा राजन्यमराष्ट्रविवर्धनम्

yathā devāsuraṃ yuddhaṃ pūrvamāsīdviśāṃ pateabhītānāṃ tathā rājanyamarāṣṭravivardhanam

Our plain-language meaning of this verse is waiting for scholar review.