I wanted to highlight a Dominican Advent preaching series that Lea Libresco has brought to our attention. This year, the brothers at the Dominican House of Studies are preaching about the 4 last things. This first one is on Death.
"Slavery ended in medieval Europe only because the church extended its sacraments to all slaves and then managed to impose a ban on the enslavement of Christians (and of Jews). Within the context of medieval Europe, that prohibition was effectively a rule of universal abolition. "— Rodney Stark