The Roman Catholic Church is the sublimest achievement of the organizing powers of mankind, and the unifying element in it, the capstone of that mighty structure, the key stone of the arch, is the Papacy. The Roman Catholic Church, or, as it might appropriately be designated, the Papal Church, is a greater construction than even the Roman Empire, of which it is the spiritual counterpart--vaster, more enduring, more firmly-knit, and infinitely more beneficent. The Pope corresponded to the Emperor; the bishops, to the provincial governors; the invincible legions which carried the Roman eagles into the swamps of Germany and the mountains of Caledonia, were surpassed in their daring and the tenacity of their conquests by their spiritual counterpart, the missionary monks. It was this organization which had been providentially prepared for the anarchic and desolating period of the barbarian invasions, as Noah’s ark for the Deluge, and not only as a shelter for the precious salvage of the submerged Greco-Roman civilization, but as a spiritual army which should conquer the conquerors, and on the debris of the greatest landslide of history fashion new gardens and habitations. Latin Christianity, then, represents a distinctively aristocratic type of Christianity, the priest dominating the congregation and not controlled by them, the bishop dominating the priest, the Pope at the summit responsible to none but God. Such fashioning that great Church had received at the hands of men wise to give the Church such organization as the conditions demanded. It was this Church which the barbarian onset could neither shatter nor overpower. It was this Church which met the barbarians with a force and a sovereignty beyond their own. It asserted its moral and intellectual superiority. It overawed the men who, with the passions of men, had often the heart and still oftener the brain of the child. It put these turbulent warriors to school and struck to their hearts the fear of God and of the devil and of the Church. No Church but an aristocratic one could have dominated such a situation. The very qualities which the modern man most resents in the Roman Catholic Church--its authority, its dogmatism, its spiritual powers of intimidation--were the qualities which enabled it to evangelize the vast heathen and barbarian masses. As in the state so in the Church, the centuries from the fall of the Roman Empire to the Protestant Reformation were centuries which called, though, it must be recognized, with lessening emphasis and with sporadic but multiplying exceptions, for the aristocratic principle. Feudalism and Roman Catholicism were the only possible systems. II. The _bourgeois_ or plutocratic or capitalistic phase, A.D. 1500-1914.