Brzezinski modeled the wording on the Truman Doctrine, and insisted for the sentence to be included in the speech "to make it very clear that the Soviets should stay away from the Persian Gulf."
Brzezinski formede Carterdoktrinen efter Trumandoktrinen og insisterede på, at sætningen skulle inkluderes, "for at gøre det helt klart, at Sovjetunionen skulle holde sig fra den Persiske Golf."