Context: The Protestant Reformation, often called the Reformation, was an important period in European history. Read the following description of the Reformation. Then answer the question below.
Before the 1500s, most people in northern and western Europe followed a Christian religion called Roman Catholicism. The leader of the Roman Catholic Church was called the pope. Many people criticized the pope and the Catholic Church during the Reformation. Catholic leaders were asked to reform, or change, what they were teaching and how they led the Catholic community. Some of the people calling for reform decided to separate from the Catholic Church and became known as Protestants.
Based on the passage, what was the Protestant Reformation?
A. a war fought between Catholics in northern and western Europe
B. a movement demanding that the Catholic Church change some of its practices
C. a period when people asked Protestant churches to reform their teachings
D. a conflict between Protestants and people who separated from the Catholic Church
Identify the correct choice from the options below and respond with the letter of the correct option.

B