Why did Krishna not stop the Mahabharata?

Krishna is considered by many as the hero of the Mahabharata. He is the eighth son of Devaki, the princess of Mathura, and Vasudeva, the prince of Shurasena.

Krishna is raised in a cowherd settlement in Vrindavan for the first fifteen years of his life. Later, along with Balarama, he founds the seashore city of Dwaraka and builds a kingdom for the Yadavas – named Anarta.

He enters the Mahabharata story at Draupadi’s swayamvara, and quickly establishes friendly relations with the Pandavas –...