Original Sin

Original Sin, also called hereditary sin, refers to the acts of Adam and Eve in which they sinned and doomed mankind for the rest of eternity. Their sins made man mortal. It is said that Jesus was crucified so that he could save mankind and allow man to earn eternal life.

More info:

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

Schism

Schism is the separating or dividing of religions. In this case, Eastern Orthodox seperated from the early Christians making themselves a schismatic group. Schism is a rejection or split from a communion within the authorities of a Church. This term has been applied historically to define the break that has happened without a dispute.



http://en.wikipedia.org/wiki/Schism_%28religion%29