Correct option is A
Mahatma Gandhi transformed the character of the Indian National Movement by (a) He brought in vast stratas of society into it and made it a mass movement.
This is considered his most significant contribution. Before Gandhi, the movement was largely confined to the educated elite in urban areas. Gandhi revolutionized it by bringing in:
Peasants and Workers: He successfully involved the rural masses and industrial workers through movements like the Non-Cooperation and Civil Disobedience, addressing their specific grievances.
Women: Large numbers of women participated actively for the first time.
Students and Artisans: These groups left schools and government jobs to join the struggle.
He introduced Satyagraha (non-violent resistance) as the central method, which was accessible to everyone, making participation a moral duty rather than a political privilege.