If Protestant ideas spread in Europe, the places where it gained
followers would be outside the
control of the Catholic Church.
What group or groups would
benefit from the Church losing
power?

my answer political

Explanation:

they challenged the church for power that's a great reason to like the rise of protestantism

what are the choices?

they both wanted to stop protestantism, they felt a call in life and it was to strengthen the church. charles used inquisition, philip used army's, charles gave control to outsiders, philip centralized all power.

hope this you !