Special Studies - Religion as a Factor in Grand Strategy - Propaganda has decided conflicts, just as battles have decided wars. Occasionally, propaganda was most effective when it dealt with religion. Christianity won over competing religions in 312, when Emperor Constantinus 1 the Great promoted it to the religion of the Roman state, thereby deciding a civil war which he was unable to win by military means

In: Strategic policy: the journal of the International Strategic Studies Association ; the international journal of national management, Volume 29, Issue 6, p. 6-7