We know something of the history of the spread of Christianity, but much passed from recorded memory and much was transmitted by tradition whose accuracy has been repeatedly questioned.
In both the presence of evil and the eventual triumph over evil the sweep is cosmic. It embraces the entire universe, what to man is both seen and unseen. The victory is to be accomplished through Christ.
THE NINETEENTH CENTURY SPREAD OF CHRISTIANITY WAS DUE PRIMARILY TO A NEW BURST OF RELIGIOUS LIFE EMANATING FROM THE CHRISTIAN IMPULSE. . . . NEVER IN ANY CORRESPONDING LENGTH OF TIME HAD THE CHRISTIAN IMPULSE GIVEN RISE TO SO MANY NEW MOVEMENTS. NEVER HAD IT HAD QUITE SO GREAT AN EFFECT UPON WESTERN EUROPEAN PEOPLES. IT WAS FROM THIS ABOUNDING VIGOR THAT THERE ISSUED THE MISSIONARY ENTERPRISE WHICH DURING THE NINETEENTH CENTURY SO AUGMENTED THE NUMERICAL STRENGTH AND THE INFLUENCE OF CHRISTIANITY.
The most that one of Jewish faith can do - and some have gladly done it - is to say that Jesus was the greatest in the long succession of Jewish prophets. None can acknowledge that Jesus was the Messiah without becoming a Christian.
However incompatible the spirit of Jesus and armed force may be, and however unpleasant it may be to acknowledge the fact, as a matter of plain history the latter has often made it possible for the former to survive.
That free will was demonstrated in the placing of temptation before man with the command not to eat of the fruit of the tree which would give him a knowledge of good and evil, with the disturbing moral conflict to which that awareness would give rise.