The Promulgation of Universal Peace is a compilation of 140 talks and extemporaneous discourses given by ‘Abdu’l-Bahá in 1912 while visiting the United States and Canada. They focus on the fundamental principles of the revelation and teachings of Bahá'u'lláh. Among the multitude of subjects discussed are the coming of age of the human race, the oneness and continuity of the Manifestations of God, and the oneness of religion as a social force for establishing world order and peace.