O Dhananjaya, you kept engaged the entire Dhartarashtra forces and thus it was that the son of Prishata could slay Drona.
भवता तु बलं सर्व धार्तराष्ट्रस्य वारितम्॥ ततो द्रोणो हतो युद्धे पार्षतेन धनंजय।