Much human ingenuity has gone into finding the ultimate Before.
The current state of knowledge can be summarized thus:
In the beginning, there was nothing, which exploded.
Lords and Ladies. Terry Pratchett. Harper Torch. 2002
Shoot the dictator and prevent the war? But the dictator is merely the tip
of the whole festering boil of social pus from which dictators emerge; shoot
one, and there'll be another along in a minute. Shoot him too? Why
not shoot everyone and invade Poland?