The crusades made great improvement in the condition of the serfs.
Enthusiasm could not supply the place of experience.
A third force, developing itself more slowly, becomes even more potent than the rest: the power of gold.
The history of the Franks becomes, therefore, the history of the Netherlands.
A new civilization was not to be improvised by a single mind.
In the tenth century the old Batavian and later Roman forms have faded away.