Complex sentence: With the growth of Swansea and Cardiff, this situation changed, but many churchmen, particularly the Methodist Convention in 1887 which recommended that chapels regard theatrical activity as an immoral practice on a par with gambling.
Split into simpler sentences: With the growth of Swansea and Cardiff, this situation changed, but many churchmen opposed it. The Methodist Convention in 1887 recommended that chapels regard theatrical activity as an immoral practice on a par with gambling.