The answer to the question above is Romans.
Many of the barbarian soldiers that fought against the Romans were originally trained by Romans. The barbarians that invaded and fought against Romans were the Goths (divided onto two tribes, the Visigoths and the Ostrogoths) and the Huns.
Answer:
I want to say option D. is your answer
Could you please give a better description of the question?
In maintaining peace after WWI and to create the League of Nations.
