Final answer:
Martin Luther's protest against the corruption of the Catholic Church led to the emergence of Protestantism through the Protestant Reformation.
Explanation:
Martin Luther's opposition to the corruption within the Catholic Church led to a significant historical event known as the Protestant Reformation. In 1517, Luther challenged the Church's practices, such as the selling of indulgences, and emphasized salvation through faith and the Bible. This defiance against the Church eventually resulted in Luther being excommunicated and the emergence of Protestantism as a new branch of Christianity.
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