Question

One major effect of the Protestant Reformation

on western Europe was the
(1) decline in religious unity
(2) increased power of the Catholic pope
(3) reduction in religious wars
(4) increase in the sale of indulgences by the
Catholic Church

Answer 1

The correct answer is the first one: with the Protestant Reformation half of Europe was protestant and half catholic, and this lead to a decline in religious unity.

It also lead to the opposite of the other points: it led to religious wars and decreased power of the catholic church.