How did the teaching of humanism weaken the power of the Roman Catholic Church?

Roman Catholic AnswerAs the Catholic Church is the Mystical Body of Christ, it would be impossible for any teaching to "weaken" it, or its power as its power is that of Our Blessed Lord.

Probably the most influence that Humanism had on the Church was the fact that it paved the wave for the protestant revolt, which drew uncounted numbers of people away from the saving Sacraments of Jesus in the Church. For a more thorough discussion of humanism, and its effects on the Church, see the link below: