Noam Chomsky - Turning the Tide U.S. intervention in

Patterns of Intervention
Classics in Politics: Turning the Tide Noam Chomsky
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America policy. The concept of “internal aggression” was clarified further
by the Joint Chiefs of Staff, who extended the scope of “aggression,”
which we must resist, to “overt armed attack from within the area” of a
client state and even “political warfare,” a special case of “aggression.” 9
Thus, political activity by the natives in a country we occupy is
aggression against us, justifying military action in self-defense. Defense
against “internal aggression,” another concept that Orwell would have
admired, is a major theme of US history, from its origins until today.