Image source https://goo.gl/images/GNGhUK

Emperor Yudhisthir

Duryodhana's last great warrior, Ang Raj Karna had been killed. Devi Kunti arrives in Kurukshetra Ran for tears in her eyes. Where in the night Arjun, Yudhishtir, Nakul, Sahdev, and Shri Krishna are alive from dead soldiers, dead bodies of soldiers dead. Then the goddess Kunti Anga starts crying near Raj Karan's dead body.

Seeing his mother moaning on the body of the enemy, Arjun, Yudhisthir, Nakul, Sahdev, and Bhima Devi ask the quintess why he is doing this. In the meantime, Kunti conceals the hidden distinctions for years that Karna is the eldest son of her. By hearing this, all the brothers become very angry with their mother. To hide such a big distinction, Yudhisthir curses his mother goddess Kunti and all the female castes, that-

After today no woman will be able to conceal any distinction in the mind, there will be no end to the woman's disappearance of discrimination.

Yudhisthira had said that if we knew that Karna is our senior brother, then we do not lose his life. And make him king. But Krishna did not let this happen because if Karna got the state, then to give credit to friendship, give the state to Duryodhana, and victory of Duryodhana ie victory over the religion of lawlessness. Who ever could not have been Krishna