you can have as many as you want but what would be questions youd ask
A British WW1 vet
What was it like to be in the Great War?
What motivated you to join in the first place?
Did you hate the Germans?
An American Civil War Vet
What was it like to fight your own people on your own soil?
What do you regret most?
Teddy Roosevelt
Id ask him, well i don't know i just don't
and
Hitler
Id ask him why?
what motivated you to Kill Millions of Jewish people?
Did you truly believe America was Weak?
Did you truly believe Britain would fall as easily as France did?