A one way mirror in front of the mystery writers, with the mirror facing the audience would work best.
initiative is the answer to this question
So secularism are things related to worldy ideas and events. The Renaissance was a time when lots of secular ideas developed. So some secular ideas in the Renaissance were interest in learning and the arts, study of the Greek and Roman language, and the belief to change the world for the better. Hope this helps.
The correct answer in the statement above is indulgences. These are given to people who have committed sins and has ask for forgiveness because of their feelings of guilt that would drive them to be forgiven after asking for forgiveness. This is how indulgences are provided.