Between 500 BCE and 300 BCE, religions worldwide underwent a dramatic shift, emphasizing morality and asceticism for the first time. A new study suggests that the emergence of this new type of religion can be explained by increases in prosperity.
Banerjee, K., & Bloom, P. (2015, January 5). Religion: More money, more morals. Current Biology. Cell Press. https://doi.org/10.1016/j.cub.2014.11.042