The correct option is C By law
One of the main features of the British period was the attempt made to stop social evils in Indian society, by abolishing them through law. Many prominent people like Raja Ram Mohan Roy, Dayananda Saraswathi, Ranade, Jyothiba Phule, Swami Vivekananda, Annie Besant, Sir Syed Ahmed Khan, Periyar, and Narayanaguru became part of the social reformation movements in India.