For example, the Communist Party, which basically controls everything and is very strongly in place, will not allow you to hold office if you are currently part of any religion. This ensures that any leaders, and the vast majority of party faithful, will remain atheist, and thus their true loyalty will be to country second, and party first, before all else. In North Korea, the level of patriotism indoctrination would make the most hardened American Patriot blush.