How did politics impact the Catholic church Reformation?

This is the topic of the essay. answer this question please.
“Calls to reform the Catholic church were being made since the early stages of the Renaissance. Yet, it was in the early sixteenth century that it had enough momentum through the outcry of theologians such as Martin Luther and John Calvin to cause a European-wide Reformation. Although the Reformation originated as a spiritual and theological movement, it quickly adapted a political component. How did politics impact the Reformation? Do you believe the Reformation would have spread as wide and become so influential if it were not for the involvement of the various political authorities? ”