Ah yes, love me some of that good old Catholic tolerance. Where’s the small pox blankets?
What blankets?
I do not know of any Catholics engaging in that, vs. a certain class of early colonialists seeking to subdue Native Americans.
However, medieval Rome did require her secular authorities, whatever office they may hold, to the best of their ability exterminate in the territories subject to their jurisdiction all heretics pointed out by the Church. Or RC subjects were absolved from obeying them. - http://www.fordham.edu/halsall/basis/lateran4.asp Which type of warfare early Prots had to unlearn.