 The main official groups supported the war, but it was opposed by a number of prominent women's rights campaigners, including Helena Swanwick, Margaret Ashton, Catherine Marshall, Maude Royden, Kathleen Courtney and Chrystal Macmillan.and Sylvia Pankhurst.It was an early coalition of women's campaigning with pacifism that led to the formation of Women's International League for Peace and Freedom in 1915.