Which preposition to use with inevitability

of Occurrences 8%

They had so much to talk about, the whole of a new and very wonderful life to speculate about and to plan, the whole of their past acquaintance to review; old doubts had to be confessed and laughed at; the inevitability of the whole thing from the first beginnings had to be recognized, proved, and exhibited.

Which preposition to use with  inevitability