I think the narrator believes that the men he is talking about lacked vision to anticipate future problems and courageously deal with the consequences ie they did not actively or proactively deal with life but on the contrary allowed themselves to be victims of circumstance. Re the word "I" I think he means that they did not realize the power they had to change the course of events.
Function of the nucleus<span> is to maintain the identity of genes and to control the activities of the cell, so it is the cell's control center</span>
I do not now what you need help with?
Complete subject: a few twisters
Simple subject: twisters
Hope it works
Good luck!