Correct Option: B

The Gandhi–Irwin Pact was a political agreement signed by Mahatma Gandhi and the then Viceroy of India, Lord Irwin on 5 March, 1931 before the second Round Table Conference in London. Before this, the viceroy Lord Irwin announced in October 1929, a vague offer of 'dominion status' for India in an unspecified future and a Round Table Conference to discuss a future constitution.