Days ago marked 50 years since the signing of the Paris Peace Accords which effectively ended American participation in the Vietnam war. One of the consequences, according to Georgetown University international affairs scholar Charles Kupchan, was that an “isolationist impulse” made a “significant comeback in response to the Vietnam War, which severely strained the liberal internationalist consensus.”
As the Cold War historian John Lamberton Harper points out, President Jimmy Carter’s hawkish Polish-born national security adviser, Zbigniew Brzezinski, scorned his intra-administration rival, the cautious, gentlemanly secretary of state Cyrus Vance as “a nice man but burned by Vietnam.” Indeed, Vance and a number of his generation carried with them a profound disillusionment in the aftermath of the Vietnam War. And for a short time, the “Vietnam Syndrome,” (shorthand for a wariness and suspicion of unnecessary and unsupportable foreign interventions) occasionally informed American policy at the highest levels and manifested itself in the promulgations of the Wienberger and Powell Doctrines which, in theory anyway, represented a kind of resistance on the part of the Pentagon to unnecessary military adventures.