the kids are looking at a nuclear explosion on the horizon. the world collapses before the children's eyes

mad activism antinuclear arms arsenal assured atomic ban blast bomb civil cold contamination control crisis critical defense destruction deterrence detonation disarmament disaster effects emergency energy explosion fallout hazard health hiroshima holocaust hydrogen map mass missile mutually nagasaki nuclear preparedness proliferation race radiation radioactive radiological radius scenario security shelter simulation test threat treaty warfare weapons winter zero cloud ground mushroom war