What else did the Catholic Church do to stop the spread of protestations?

The Catholic Church used the Jesuits to stop the spread of Protestantism. The Jesuits would establish missions, school, and universities to help combat the spread of Protestantism.

Explanation:

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

yup! you are correct it is b.