The answer is separation or in other terms split. The separation or split likely occur because of the fact that the byzantines rejected the pope's authority, where in they don't agree with his ways or doing things and his authorization. That led the byzantines to be separated where in they no longer want to be involve with the pope and their people.
The answer is: <span>A combination of nature and nurture
In human development, nature played an undeniable roles in determining genetic predisposition and Resources availability that would help that person during his/her development.
Nurture also played an important role to make sure that that person could utilize his/her genetic advantage and available resources near them.</span>
Have a nice day sir! rhanks for points :)