Context: Beginning in the 18th century, the situation changed from more or less active persecution of religious services to a state of restricted toleration of other religions, as long as their services took place secretly in private churches.

Question: When did the active persecution of religious services become more of a restricted tolerance?
Answer: in the 18th century

Question: Religious services for other religions were tolerated as long as they adhered to what rule?
Answer: as long as their services took place secretly in private churches

Question: When did persecution of religious services take place secretly in private churches?
Answer: Unanswerable

Question: During what period did services move to a state of tolerance?
Answer: Unanswerable

Question: What changed from religious services to private churches?
Answer: Unanswerable

Question: What was actively persecuted when taking place in private churches?
Answer: Unanswerable

Question: Where was active persecution taking place?
Answer: Unanswerable