IAteYoChocolate:
...BAN EVERYONE.
MWAHAHAHAHAHAHAHAHAHAHAHAHA.
What if someone were to launch a nuke somewhere on Earth?
III World War would begin.
What if we colonized a black hole?
It is impossible to colonize a black hole you'd compress until your nothing but compressed matter.
What if we stopped the ageing cells in are body?
We would all die from things not related to our age.
What if uranium was stable?
You would have more ideas on the WST Thread.
What if in WW1 Germany never invaded Belgium or Luxemburg?
Zombie Dracula!
What if the Berlin Wall was never torn down?