From what I have studied, canonization is the process of "proving the .
This is the procedure for which our current day Bible came .
from, and to some, where the corruption of the Bible began.
II. Truthfulness of the Bible.
a. Copiers.
Copiers (scribes) were very meticulous in their work, if one letter was off, the through that copy away and started over. The scribes believed they were working with sacred text. So it would be safe to say that we have a copy that is very close to that of the original (at least what is proved to be sacred enough to not get thrown away).
b. Dead Sea Scrolls.
Important information about bible.
These scrolls prove the accuracy of the transmition of the Bible, but have other books to which didn't pass canonization.
c. His Word.
Your predecessors have inserted in the scriptures of our Lord many things, which, although they carry His name agree not with His doctrines. This is not surprising, since that we have often proved that these things have not been written by Himself, nor by his apostles, but that for the greater part they are founded upon tales, upon vague reports and put together by I know not what, half-Jews, but with little agreement between them, and which they have nevertheless published under the names of the Apostles of our Lord, and have thus attributed to them their own errors and their lies.
III. Canonization of "the truth".
a. Canonization of the New Testament .
The Roman empire was a pagan empire, however, it was the dominant "superpower" of the time. Anyone who could enlist its aid would have an unconquerable ally at their side and would themselves be undefeatable. On the Roman side, Emperor Constantine was greatly troubled by the swelling ranks of his Christian subjects and the great division among their ranks which did not bode well for the continued stability of his empire. .
b. Why we no longer have the other "gospels".
Over the next centuries they slowly selected and collected the "truly inspired" gospels into one volume which later became the "New Testament.