[1] In its first years, a main focus of AU's activity was opposition to the political agenda of the Roman Catholic Church and it was seen by critics as an anti-Catholic organization.
[2] It was under Archer's tutelage that the Roman Catholic hierarchy was dubbed in 1949 as being more dangerous and clever than communism.
[3] Furthermore, he asked the House Un-American Activities Committee to investigate the intentions, scope and achievements of Vatican espionage in the United States, charging that the Catholic clergy had learned American secrets hardly anyone except the president knows.
[4] In 1960, Archer entered into a dialog with presidential candidate John F. Kennedy to assess his views on church-state relations.
In his memoir The Dream Lives On, Archer praised Kennedy's views on Church-State separation, saying they were the best of any president since Thomas Jefferson.