sentences:  During World War II, when Hungary ruled Northern Transylvania, the church, in an effort to prove its devotion to the official state ideology, engaged in anti-Semitic activity, despite having previously accepted many converts of Jewish origin.American and British Unitarians became aware of the survival of the Unitarian Church in Transylvania following the visit of Alexander Farkas to Pennsylvania in 1831 and publication of his "Account of the Unitarians of Transylvania", which was communicated in Latin to the Secretary of the British and Foreign Unitarian Association and published in "The Unitarian advocate and religious miscellany" in 1832.On 5 June 1899 the American Unitarian Association sent a letter to Bishop Jozsef Ferencz of the Transylvanian Unitarian Church inviting the leaders of the church to the first International Association for Religious Freedom (IARF) conference in 1900.