At first it was heritage and social standing, then religion, then science/witchcraft, alchemy followed, somewhere in all this is disease, then race became the big problem, territory and resources, politics: is slavery bad(?), television and other new inventions seemed devilish (science again), politics: is racism bad(?), then I believe games of all kind became the devil, economic model (capitalism vs communism), we witnessed the sun on earth twice, the internet refreshed that games are the devil, terrorism, and now we're back to... and you guessed it! Politics in games.<br>In summary: politics ruins that which is suppose to unite people.<br>The other ones didn't unify people, or not in the sense that games do