"Slaughterhouse five" by Kurt Vonnegut.

KURT VONNEGUT: THE AUTHOR AND HIS TIMES
In 1968, the year Kurt Vonnegut, Jr. was writing Slaughterhouse-Five, the war in Vietnam was at its height. Each evening it invaded millions of American living rooms on the television news, and what viewers saw of the conflict night after night made them worried and uneasy about what was taking place. Opinion polls showed that most Americans were then in favor of the war, but a wave of antiwar protest had welled up across the country, mainly on college campuses. Peaceful demonstrations gave way to riots as hostility deepened between prowar and antiw…