SCHISM

The beginning of schim was a dispute within the church that led to the split. This split is caused by a particular doctrine in the church. finally after a partially broken away, they formed a rival church.

If you want to know more, please read on

http://en.wikipedia.org/wiki/Schism

http://www.iep.utm.edu/augustin/

http://www.britannica.com/EBchecked/topic/527428/schism