Why did the Catholic Reformation occur?

Catholic Reformation was the intellectual counter-force to Protestantism. The desire for reform within the Catholic Church had started before the spread of Luther. Many educated Catholics had wanted change – for example, Erasmus and Luther himself, and they were willing to recognise faults within the Papacy

Explanation:

The Protestant Reformation was a major 16th century European movement aimed initially at reforming the beliefs and practices of The Roman Catholic Church. Its religious aspects were supplemented by ambitious political rulers who wanted to extend their power and control at the expense of the Church.

the correct answer is b

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small european communities with shared traditions consolidated into large new states (apex)