 Nyorai kupfuurira kweiyi ndima - Britain yakanga yapinda muEuropean Economic Community EEC muna 1973 apo Edward Heath akanga ari Mutungamiriri weHurumende. Kunyange zvazvo Harold Wilson nebato revashandi vakanga varamba izvi, muhurumende Wilson akachinja kutsigira nhengo, asi akakundwa musangano wezuva rimwe chete revashandi panyaya iyi yakatungamirira kuhurukuro yeruzhinji yehurumende iyo yes uye kwete mishandirapamwe yakanga iri yose yepakati-party referendumyakasarudza muna 1975 kupfuuridzira kuva mutezo kweBritain nezvikamu zviviri muzvitatu kuchikamu chimwe muzvitatu. Nyaya iyi yakazokonzera kuparadzana kukuru muLabour Party mumakore ekuma1980, zvichitungamirira kukuumbwa kweSocial Democratic Party. 