Correct Option: B

Chittaranjan Das realized that Hindu-Muslim unity was essential for the attainment of Swaraj. In 1924, he formulated his famous Communal Pact to promote permanent peace between India's two major communities. He also wanted an assimilation of Eastern spirit and Western technique. He envisioned a pan-Asiatic federation of the oppressed nations and advocated India's participation in it. For his devotion to the cause of self-rule, he gained the title Deshabandhu (friend of the country).