Between 1548 and 1551, controversies over adiaphora, or indifferent matters, erupted in both Germany and England. Matthias Flacius Illyricus in Germany and John Hooper in England both refused to accept, among other things, the same liturgical vestment: the surplice. While Flacius' objections to the imperial liturgical requirements were largely contextual, because the vestments and rites were forced on the church and were part of a recatholicizing agenda, Hooper protested because he was...