A. His army could not pass through the Alps is the best choice from the rundown in the matter of what is valid for Hannibal's course amid the second Punic War, yet he went with elephants.
They are governed constitutionally as on single entity, with one constitutionally created legislature
A. 2,500,000 it can't be lower then 250,000 in the Roman Empire
I think it is World war 2