Sometimes a character is really based on research that you do. Other times it's just based on your imagination or perhaps your conversation with the director. Or sometimes all of the above. It depends on the movie and character. ↗
What one decides to do in crisis depends on one's philosophy of life, and that philosophy cannot be changed by an incident. If one hasn't any philosophy in crises, others make the decision. ↗
I cannot tell you much about the picture- it depends on so many things, the first of which that comes to my mind is: splendid as he is, is there too much of Spencer Tracy. ↗
Intensity like signal strength will generally fall off with distance from the source, although it also depends on the local conditions and the pathway from the source to the point. ↗
That no government, so called, can reasonably be trusted, or reasonably be supposed to have honest purposes in view, any longer than it depends wholly upon voluntary support. ↗