Which preposition to use with demobilization

of Occurrences 6%

In order to block the designs of the King and court, who were doing their best to deliver Greece to the Germans, the Entente powers were obliged to make a succession of demands upon the Greek government, including the demobilization of most of the army, the surrender of the fleet, and the withdrawal of Greek troops from Thessaly.

Which preposition to use with  demobilization