Complex sentence: It makes sense to date the beginning of circuit riding at the Christmas Conference of 1784, but it is much more difficult to date the end of circuit riding because it was never an official category of ministry, so it never appeared in Annual Conference records.
Split into simpler sentences: It makes sense to date the beginning of circuit riding at the Christmas Conference of 1784, but it is much more difficult to date the end of circuit riding. It is difficult to date the end of circuit riding because it was never an official category of ministry, so it never appeared in Annual Conference records.