Complex sentence: After the religion was founded or uncovered, Twitchell then turned to writing for magazines, and in that position gave out spiritual advice, claiming to communicate with God about the problems of those who wrote to him.
Split into simpler sentences: After the religion was founded or uncovered, Twitchell then turned to writing for magazines. In that position he gave out spiritual advice, claiming to communicate with God about the problems of those who wrote to him.