And so every government needs an army also to protect its booty from its neighbor brigands. Every government is thus involuntarily reduced to the necessity of emulating one another in the increase of their armies. This increase is contagious, as Montesquieu pointed out 150 years ago.
Every increase in the army of one state, with the aim of self-defense against its subjects, becomes a source of danger for neighboring states and calls for a similar increase in their armies.
The armed forces have reached their present number of millions not only through the menace of danger from neighboring states, but principally through the necessity of subduing every effort at revolt on the part of the subjects.
Both causes, mutually dependent, contribute to the same