The Diplomacy Before War
Yudhishthira did not want war. This is a truth the Mahabharata insists upon repeatedly, almost gently, as if it understands that war's horror becomes more absolute when measured against the sincerity of the effort to avoid it. The Pandavas sent ambassadors first, requesting only what was theirs by right: the return of Indraprastha, their kingdom, seized through fraud. Duryodhana refused without ceremony.
Then came the most significant peace mission in the epic's history. Krishna himself travelled to Hastinapura, dressed not as a king's envoy but as a representative of dharma itself. He asked for nothing extraordinary, five villages, one for each Pandava brother, enough to live with honour without blood. If Duryodhana granted even this, the war that was gathering on the horizon might be turned aside. The Kaurava court received him with the elaborate courtesy afforded to someone you intend to refuse. Dhritarashtra offered feasts, a place to stay, and the elaborate warmth of a man who has already made his decision.
Duryodhana's Answer
Duryodhana's answer was not given in the formal assembly, it was attempted in the corridor. He plotted to seize Krishna, to bind him, to hold as hostage the one man whose counsel made the Pandavas undefeatable. The plan was whispered to him by Shakuni as though it were wisdom. When Krishna was told, he smiled in the particular way he smiled when the universe was arranging itself as it should. He walked into the hall where the trap was being laid and revealed his Vishwarupa, his universal form, blazing with a thousand suns, filling the room with the terror of divine presence. Dhritarashtra was granted sight for the first and only time in that moment so he too could witness it.
The Kaurava court staggered back. Duryodhana's plan dissolved in awe. Krishna resumed his gentle form and told the assembly that he had done what dharma required; he had sought peace. The Pandavas had sought peace. The war, if it came now, came because Duryodhana chose it. The moral weight of what followed was to sit squarely on the Kaurava side. He left Hastinapura and returned to the Pandava camp. War had become inevitable
The Choice at Dwaraka
Before Krishna ever set foot in Hastinapura for his peace mission, two men had already made the journey to Dwaraka to seek his alliance, and they arrived, by fate or design, on the very same morning. Duryodhana came first. He entered Krishna's chamber to find him asleep and seated himself at the head of the bed, at Krishna's pillow, in the position of the most honoured guest. Arjuna arrived moments later and sat quietly at Krishna's feet. When Krishna opened his eyes, he saw Arjuna first.
Both had come for the same thing: Krishna's support in the war that was now inevitable. Krishna looked at them both and smiled at a man who already knew exactly how the next few minutes would unfold. He told them he would not take sides with his weapons, but he would offer them a choice. On one side: his entire Narayani Sena, one of the most formidable armies in the known world, a force of hundreds of thousands of soldiers hardened and battle-ready. On the other side: himself. Alone. Unarmed. He would not lift a weapon in the war under any circumstances. They could have the army, or they could have Krishna. Since Arjuna had been seen first, the choice was his.
Arjuna did not hesitate for even a breath. He chose Krishna.
Duryodhana could not believe his fortune. He had come expecting a difficult negotiation and was leaving with the greatest army in the world handed to him freely. He departed Dwaraka in high spirits, convinced he had won the better half of the bargain, convinced, as he always was, that the war was a matter of numbers and steel, and that numbers and steel were on his side.
What Duryodhana never understood, could never understand, was what Arjuna had actually chosen. He had not merely chosen a charioteer. He had chosen the one person in all the three worlds who could see the whole shape of the war from beginning to end, who carried within him the answer to every question the battlefield would ask, and who would sit at Arjuna's shoulder through every moment of doubt and darkness that lay ahead. The Narayani Sena would be destroyed at Kurukshetra. The words spoken on that chariot would outlast every army that ever marched.

Karna's Secret
It was during these final negotiations that Kunti made her own private journey to Karna, who had stood with the Kauravas since his first appearance at the tournament of princes. She told him the truth she had carried for decades: that he was her son, the eldest Pandava, born of the sun god Surya before her marriage to Pandu. The secret that had shaped his entire life, his sense of being an outsider, not quite belonging, was never true. He was a Pandava. He was her son. She asked him to cross over. Karna listened to his mother in silence, and then he gave her an answer of such painful nobility that it became one of the Mahabharata's most remembered moments: he would not abandon Duryodhana, who had given him a throne and a name when the world offered him only scorn. But he promised her this; whatever happened, she would leave the war with five sons. If Arjuna died, she would have Karna. If Karna died, she would still have Arjuna. Five sons, living or dead. He turned away. Kunti wept.