The correct option is B To persuade the widows against self-immolation.
Raja Ram Mohan Roy one of the great reformers who stood up for women’s rights. He was deeply concerned with the prevailing customs of sati, child marriage, and polygamy. To tackle these problems, he published tracts and petitioned the government to legislate against them. Though he was opposed fiercely by orthodox Hindus, he visited crematoriums to persuade the widows against Sati or self-immolation.