War
The graph around "War" in speculative fiction describes a loop, not a line. Heinlein's *Starship Troopers* (1959) treats war as the forge of civic virtue—violence as franchise fee. Haldeman's *The Forever War* (1974), written in direct opposition, reveals that the forge keeps running long after the metal has melted: soldiers return to a society that has evolved past recognizing them, and the war itself persists out of bureaucratic inertia rather than existential need. Card's *Ender's Game* (1985) collapses the distance between combatant and command by making the war invisible to the person fighting it—genocide as pedagogy. But Fritz Leiber got there first and strangest in *The Big Time* (1958), where the Change War has no front, no timeline, no stable reality to defend, and the soldiers are recruited from across all of history. The supposed evolution from duty to disillusionment to manipulation to temporal incoherence isn't really a progression. It's the same insight surfacing at different depths: war's defining feature isn't violence, it's that it reorganizes what the people inside it are allowed to know.