Answer:
They challenged the authority of the Catholic Church and made it so that most of Europe didn't have just one religion.
Step-by-step explanation:
In 1517 the protestant reformation was ignited when a "Martin Luther' a catholic monk apprehend the list of 95 complaints against against catholic church a back door to the German church.
It started as a religious movement soon turned into social and political revolution.
The protestant reformers challenged and started asking questions from the authorities of the Catholic Church
The protestant reformation spread the "democracy", "Individualism", and other modern methods like "capitalism".