Kammala wannan jumla: A lokacin Yaƙin Duniya na II, Jamus ta mamaye Denmark da Norway; Finland ta kasance
yayin da Sweden, ko da yake tsaka tsaki, har yanzu jin sakamakon yakin. Bayan yakin, ƙasashen Nordic sun bi ra'ayin ƙungiyar tsaro ta Scandinavia don tabbatar da tsaron juna. Koyaya, Finland, saboda manufofinta na Paasikivi-Kekkonen na tsaka tsaki da yarjejeniyar FCMA tare da USSR, ba za ta iya shiga ba.