The seperation of church and stateicrease in reform movement
It started after the people stopped going to church and they needed a revival in the United States.
It led to the death of thousands of politicians and was the start to the vast quantities slave trades where massive amounts of slaves were victims of "man slaughter". It ended when the prostitute...
Charles Grandison Finney, Lyman Beecher, Barton Stone, Peter Cartwright, Asahel Nettleton, and James B. Finley These names were gleaned from Wikipedia
it was started in America during the 1800s