Which descriptions of the sale of indulgences, a factor that led to the Protestant Reformation, are true?
Choose all answers that are correct.
a. Indulgences were payments to the Church that allowed a person to commit any sin without fear of punishment.
b. John Tetzel sold indulgences to raise money to finish St. Peter's Basilica.
c. Protestants agreed with Catholics that good works could make up for a person's sins.
d. Martin Luther wrote a series of arguments against the sale of indulgences.