Real reasons Mormons were hated

My dad just got done with Family home evening and today was Mormon persecution!

We were told by him that Mormons were hated for believing in God and that Joseph Smith was killed for believing in God... Over 90% of the US population was Christian (not Mormon but Christian) in the 19th century, so I highly doubt that at all.

It was most likely because of the practice of polygamy, treasonous acts, and just overall disregard for people around them!