When the early church underwent a schism, does that mean it changed its most important doctrines?

It means the church seperated, split apart. Look up the Great Schism, the tree of christianity is the prim example of all the branches of sects, schism everywhere in here!

“larger states wanted congressional representation based on population, while smaller states wanted equal representation. they met in the middle. larger states wanted congressional representation based on population, while smaller states wanted equal representation.” i hope this information you.