 By the ILP Conference of 1935, it claimed a similar strength to the Revolutionary Policy Committee, which was sympathetic to the Communist Party of Great Britain.However the same year a group (including Grant and Harber) split to work inside the Labour Party's Labour League of Youth, initially as the "Bolshevik-Leninist Group" and then as the Militant Group.The Marxist Group soon realised that the ILP did not have mass influence outside Glasgow, and sent John Archer to check the actual strength of the party around the country.