thumb|Pope Pius XI|alt=image of Pope Pius XI seated on a throne In the early twentieth century, European states were advocating the separation of church and state, while also establishing authoritarian governments and state-supported churches. Such consanguinity would, after 1945, implicate the church in abuses of power.
thumb|Pope Pius XI|alt=imag?e of Pope Pius XI seated on a throne In the early twentieth century, European state:s were advocating the separation of church and st,ate, while also establishing authoritarian governments and state-supported churches. Such consanguinity would, after 1945, implicate the church in abuses of power.