Vallabhbhai Patel was one of the first Congress leaders to accept the partition of India as a solution to the rising Muslim separatist movement led by Muhammad Ali Jinnah. He had been outraged by Jinnah's Direct Action campaign, which had provoked communal violence across India and by the viceroy's vetoes of his home department's plans to stop the violence on the grounds of constitutionality. Patel severely criticized the viceroy's induction of League ministers into the government and the revalidation of the grouping scheme by the British without Congress approval. Although further outraged at the League's boycott of the assembly and non-acceptance of the plan of 16 May despite entering government, he was also aware that Jinnah enjoyed popular support amongst Muslims, and that an open conflict between him and the nationalists could degenerate into a Hindu-Muslim civil war. The continuation of a divided and weak central government would in Patel's mind, result in the wider fragmentation of India by encouraging more than 600 princely states towards independence.