My speculation is that the U.S. does not want to establish the principle that it has to defer to some higher authority before carrying out the use of violence.
Noam ChomskyJust as I'm opposed to political fascism, I'm opposed to economic fascism. I think that until major institutions of society are under the popular control of participants and communities, it's pointless to talk about democracy.
Noam ChomskyWhat the [James] Monroe Doctrine stated, in effect, is that the US should dominate the hemisphere.
Noam Chomsky