The document discusses studying for an exam on Chapter 25 of a history textbook about the Reformation. It appears to be notes taken by a student named David Masenhimer, as it lists his name at the top and includes a section for "Your Notes", suggesting it is for his personal exam preparation and study. The Reformation was a 16th century religious movement aimed at reforming corrupt practices in the Catholic Church that led to a split in Western Christianity and the emergence of Protestantism.