Question

Which protestant reformation leaders most influenced the roman catholic church's response? be sure to include attempts to stop the protestant reformation as well as the subsequent reforms the catholic church undertook?

Answer 1

Protestant Reformation was a religious, intellectual, political and cultural change that split Catholic domination in Europe. 
Martin Luther, John Calvin, and Henry were among the influential reformers, a reformation that triggered wars, persecutions and, counter-reformations.
The Catholic church excommunicated Martin Luther and burnt the selling of indulgences.