There is no doubt that the disintegration caused by monophysitism largely facilitated the rapid and easy victory of Islam in Syria and Egypt.
A period of disintegration ensued.
The disunion between the Mahommedans of northern Syria and the Fatimites of Egypt, and the political disintegration of the former, were both favourable to the success of the Franks; but they had nevertheless to maintain their ground vigorously both in the north and the south against almost incessant attacks.
Turning to the study of radioactivity, he noticed its association with the minerals which yield helium, and in support of the hypothesis that that gas is a disintegration-product of radium he proved in 1903 that it is continuously formed by the latter substance in quantities sufficiently great to be directly recognizable in the spectroscope.
The interval between the diet of 1843 and that of 1847 saw a complete disintegration and transformation of the various political parties.