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Subjects
Civil defense
3
Civil defense exercise
[remove]
3
Evacuation
2
Reception of evacuees
2
Arms race
1
Civil defense at factories
1
Civil defense obligations
1
Damage zones
1
Energy supply
1
Evacuation planning
1
Imperialist aggression
1
Natural disaster
1
Peace movement
1
Switch to war production
1
Traffic
1
Traffic control
1
Warning
1
Water supply
1