At first it would be 10yrs, but as the Republic wore on, it increased to 16yrs, then 20yrs and then eventually 25yrs. However, not all gladiators were forced to do this service.
Answer:
does it have to be a good person? If it can be bad, then hitler. if it can be good, then Abraham Lincoln.
Explanation:
boom
World war one is the answer
The following countries signed the treaty: Germany, Britain, France, Italy, Russia. :)