What was the purpose of the 1546 Council of Trent to formulate an official Catholic Church response to Protestant charges of priestly corruption and theological deviation?

Answer 1

You seem to have answered your own question.

Q: What was the purpose of the 1546 Council of Trent?

A: To formulate an official Catholic Church response to Protestant charges of priestly corruption and theological deviation.

Answer 2

The purpose of the 1546 Council of Trent was to address the theological challenges posed by the Protestant Reformation, reaffirm the teachings of the Catholic Church, and initiate reforms to combat corruption within the clergy. The council clarified Catholic doctrine on key issues and sought to strengthen the unity and authority of the Church in the face of growing Protestant influence.