Both the statements are individually true and statements II is not the correct explanation of statement I. The October Revolution (1917) in Russia acted as a source of great encouragement to the Indian working class movement. On October 30, 1920, representatives of 64 trade unions with 1.5 lakh members met in Bombay to form All Indian Trade Union Congress under the leadership of Lala Lajpat Rai and other national leaders. In 1921 alone, about 400 strikes were conducted, more than half successfully