Norman Mailer writes at one point in The Armies of the Night that, whatever else the Vietnam War did, it brought the American Left back together again.
For the decades before the war, after all, the Left had fractured down the middle over the issue of communism and the Soviet Union. "Consider a countdown of the punches," Mailer writes; "famine in the Ukraine; Moscow trials; Hitler-Stalin pact; slave-labor camps; Cold War"—and on.