Complex sentence: After his mother converted to Christianity in 1894, she took Borden to Chicago Avenue Church (now the Moody Church), where he responded to the gospel preaching of R. A. Torrey, turned to Christ, and was baptized.
Split into simpler sentences: After his mother converted to Christianity in 1894, she began taking him to Chicago Avenue Church (now the Moody Church). He soon responded to the gospel preaching of Dr. R. A. Torrey, turned to Christ, and was baptized.