Answer:
The catholic church tried to stop the spread of Protestantism by excommunicating, military repression and counter reformation.
Step-by-step explanation:
Protestant Reformation began in Europe during the 16th century to challenge the religious and political practices of the Roman Catholic church. Protestant religion spread in Europe troubled the papal authority of the Roman Catholic Church. To stop the spread of the Protestant, church authority start excommunicating people from church who questioned its belief and teaching and used the military to stop its spreading of reformation. Lastly, Counter-Reformation reforms the Catholic church by halting sale of indulgence. The priests required to be educated and maintain a higher standard of spiritual discipline.