What document did Martin Luther write to protest Church practices?

Who were the Protestants?

Read the following excerpt and answer the question that follows:

"This triggered reforms within the Roman Catholic Church, generally referred to as the Catholic Reformation or Counter Reformation. But Reformation was not merely a religious movement."

(Source: https://egyankosh.ac.in/bitstream/123456789/12890/1/Unit-7.pdf)

Who started the Counter Reformation Movement?

Name two leaders of the Protestant Movement outside Germany and their respective countries.