Final answer:
Louis XIV played a major role in opposing the Reformation and supporting the Catholic Church in Europe.
Step-by-step explanation:
Louis XIV, also known as the Sun King, played a significant role in opposing the Reformation and supporting the Catholic Church. He was a devout Catholic and firmly believed in the authority of the Catholic Church. Louis XIV implemented policies and laws to suppress Protestantism in France, such as revoking the Edict of Nantes in 1685, which had granted religious freedom to Protestants.