I was undecided up to now, but forty seconds of YouTube has decided me:
Booker T. Washington (1903)
The course of events has decided me. I have determined to go South to take one of the numerous positions awaiting my acceptance.
John Austin Lectures on Jurisprudence, Or, the Philosophy of Positive Law
'It will be a great and difficult labour; but if you do not do it, it will never be done.' This decided me.
It’s been a while since I studied the syntax of causation. There must be a name for this phenomenon, right? I mean, other than causative productivity which I invented as a title for this post.