The council of Trent was when bishops and Cardinals from different countries met between 1545-1563,in Trento,Italy.They made a decision to banned simony,nepotism,absenteeism and the sale of indulgence. Trained priests up seminaries in each diocese. Preists were celibate and couldn’t marry there are strict rules and punishments for priests who broke the rules. A list of books that I read was published. The counter reformation was successful in preventing the spread of spread of protestantism but they were unable to reverse it from countries where it had been established