The Cathedral improves a <l:6,104>city<e>'s <l:6,96>happiness<e> by 3 in all governments except for <l:7,11>Communism<e>, <l:7,19>Virocracy<e>, <l:7,7>Theocracy<e>, <l:7,12>Fundamentalism<e>, <l:7,20>Cyberhive<e>, and <l:7,22>Divine Empire<e>. Communists, Virocrats and Cyberhivers get only a +1 bonus, while Theocracy, Fundamentalism, and Divine Empire get a whopping +5 bonus. It also protects from <l:6,29>religious conversion<e> (50% effective).