The Cause of Universal Peace: 'Abdu'l-Bahá's Enduring Impact, by Kathryn Jewett Hogenson. (2021-02-23). On Abdu'l-Bahá's interest in the Lake Mohonk Conferences on International Arbitration in New York, 1912, and the Quaker founders Albert and Alfred Smiley; Leroy Ioas and the World Unity Conferences; World Unity magazine (later World Order).