I have often wondered if my humanist emotions are a byproduct of my religous upbringing and a desire to be respected by my religious family and peers.
its most likely the same source for religion. think about your own thoughts, memories, emotions and experiences. they all center around your relationships with others. that communities exist is a natural product. we are social by nature. i dont think humanism is a product of religion. i think both are the same byproduct.
speaking of social evolution. check out the cover to this book. i saw it at 1/2 priced books for $2.98