In 1954 the US passed tax exemption legislation that prohibited tax exempt entities to engage in certain kinds of political activities.
From a speech by Adolf Hitler, 1935. National-Socialist Party Conference:
The Party never had the intention, and it has not the intention now, of engaging in any kind of hostilities against Christianity in Germany. Our aim has been quite the opposite. We have sought to unite the various regional Prostestant churches, whose conditions of existence were impossible, and create one great Evangelical Church throughout the Reich, without interfering in the slightest with questions of religious belief or practice.… continue reading...