One way in which Martin Luther’s Ninety-five
Theses and Henry VIII’s Act of Supremacy are
similar is that both
(1) emphasize the importance of the Bible
(2) caused the Thirty Years War
(3) challenge the authority of the Catholic Church
(4) helped to unify Christendom
One way in which Martin Luther’s Ninety-five Theses and Henry VIII’s Act of Supremacy are similar is that both "(3) challenge the authority of the Catholic Church"