It has been observed by a great historian that we may trace three distinct phases in the early history of the Church. In the first period religion was a question of morals; in the second period, which culminated in the fifth century, it had become a question of orthodoxy; in the third period, which dates from the seventh century, it was a question of munificence to monasteries.(441) The despotism of Catholicism, and the ignorance that followed the barbarian invasions, had repressed the struggles of heresy, and in the period of almost absolute darkness that continued from the sixth to the twelfth century, the theological ideal of unquestioning faith and of perfect unanimity was all but realised in the West. All the energy that in previous ages had been expended in combating heresy was now expended in acquiring wealth. The people compounded for the most atrocious crimes by gifts to shrines of those saints whose intercession was supposed to be unfailing. The monks, partly by the natural cessation of their old enthusiasm, partly by the absence of any hostile criticism of their acts, and partly too by the very wealth they had acquired, sank into gross and general immorality. The great majority of them had probably at no time been either saints actuated by a strong religious motive, nor yet diseased and desponding minds seeking a refuge from the world; they had been simply peasants, of no extraordinary devotion or sensitiveness, who preferred an ensured subsistence, with no care, little labour, a much higher social position than they could otherwise acquire, and the certainty, as they believed, of going to heaven, to the laborious and precarious existence of the serf, relieved, indeed, by the privilege of marriage, but exposed to military service, to extreme hardships, and to constant oppression. Very naturally, when they could do so with impunity, they broke their vows of chastity. Very naturally, too, they availed themselves to the full of the condition of affairs, to draw as much wealth as possible into their community.(442) The belief in the approaching end of the world, especially at the close of the tenth century, the crusades, which gave rise to a profitable traffic in the form of a pecuniary commutation of vows, and the black death, which produced a paroxysm of religious fanaticism, stimulated the movement. In the monkish chronicles, the merits of sovereigns are almost exclusively judged by their bounty to the Church, and in some cases this is the sole part of their policy which has been preserved.(443)