Why was Margaret postgate-cole brother jailed?

Margaret Postgate Cole's brother, the British poet and writer, was jailed during World War I for his anti-war activism. He was a conscientious objector who refused to fight, believing that war was unjust. His imprisonment highlighted the tensions surrounding pacifism and the societal pressures of the time, particularly regarding national service. Cole's commitment to her brother's cause reflected her own pacifist views and the broader struggle for civil rights during the war.