the effects that organized religion had on society
http://en.wikipedia.org/wiki/Sociology_of_religion
It had lots of effects, just look at the world - Muslims, budists , and christianities. Look at the conflicts and look at the news you will find headlines everyday pertaining to organized religion.
Plus its also a matter of opinion and how you interpret the world around you.
What are the majority of wars really about? Ideology. What is that? Religion. Look at the Crusades, World War II, any major conflict could have religious implications. Besides that, what are social mores really? aren't they just an extention of our society's religious values? With regards to the US..."In God we trust".