Look back to history when we had quiet peacful times, it shows those leaders and influencial people knew how to form diplomatic relations and keep peace.
No adult in room so anything could be happening.
are you serious mate have you see how the world was before? the wars are arguably worse and far more extensive and damaging than what we have today obviously it is not perfect today but i do not think we had peaceful quiet times back then maybe if you were one of the what was considered the superior race then yes it was probably a peaceful time for you since you were privileged