Perhaps the most prominent social message that ‘Abdu’l-Bahá brought to the West was the need for international peace, which he called “the most momentous question of this day.” While much of the popular discussion involved the political requisites to peace, ‘Abdu’l-Bahá focused on social and spiritual issues, linking universal peace with such topics as women’s suffrage, a world tribunal, collective security, the necessity of religious unity and the need for justice.