Legal? Maybe in Utah but they certainly weren't in most states of the 1830s. And, 13 is pedophilia in any definition; especially if the "husband' happens to be on the average of 40 years older (as Brigham Young was with one of his young "brides").
Smith was no prophet but a false one, and more like a mentally-deranged child sex offender. He was a earlier day David Koresh of Branch Davidian notoriety or Jim Jones of People's Temple infamy and, IMHO, would have been eventually exposed had he not suffered Navoo justice.
You are seriously history challenged. 13 was quite a common age for women to be married. Look it up. My guess is that you wouldn’t know a child molester if he was standing in front of you but you hate us so much you will say anything and do anything to harm us.
Won’t work.
Bless you, fellow conservative.