Catholicism was brought to Korea by scholars in the 18th century, via books written in Chinese. When missionaries arrived in the early 19th century, they were surprised to find the Faith had already taken hold amongst a small, but dedicated, group, holding out against a sea of paganism; sounds a lot like Canada, with the exception that our unbelief is a rejection of the Faith we once had.
Persecutions are sure to come, as they did in Korea, where hatred of what ‘the Faith’ represented – a God quite jealous of His prerogatives, who did not tolerate other ‘gods’ who would

Praise the Lord