Question: who prevented denmark ireland the united kingdom and norway from joining the common market

title: Marshall Plan
text: Eastern Bloc Soviet Socialist Republics ( show ) Armenia Azerbaijan Byelorussia Estonia Georgia Kazakhstan Kirghizia Latvia Lithuania Moldavia Russian SFSR Tajikistan Turkmenia Ukraine Uzbekistan Allied states ( show ) Hungarian People 's Republic Polish People 's Republic Czechoslovak Socialist Republic Socialist Republic of Romania German Democratic Republic People 's Republic of Bulgaria Socialist Federal Republic of Yugoslavia ( to 1948 ) People 's Socialist Republic of Albania ( to 1961 ) Republic of Cuba People 's Revolutionary Government of Grenada People 's Republic of Benin People 's Republic of the Congo People 's Republic of Angola People 's Republic of Mozambique People 's Democratic Republic of Ethiopia Somali Democratic Republic ( to 1977 ) People 's Democratic Republic of Yemen Democratic Republic of Afghanistan Mongolian People 's Republic People 's Republic of China ( to 1961 ) Democratic People 's Republic of Korea Socialist Republic of Vietnam Lao People 's Democratic Republic People 's Republic of Kampuchea Related organizations ( show ) Cominform COMECON Warsaw Pact World Federation of Trade Unions ( WFTU ) World Federation of Democratic Youth ( WFDY ) Dissent and opposition ( show ) Forest Brothers in Lithuania in Latvia in Estonia Operation `` Jungle '' Ukrainian Insurgent Army Goryani movement ( Bulgaria ) Romanian anti-communism Polish cursed soldiers 1953 uprisings in Plzeň in East Germany 1956 protests in Georgia in Poznań Hungarian Revolution of 1956 Novocherkassk massacre ( Russia ) 1968 events Prague Spring Invasion of Czechoslovakia Red Square demonstration Charter 77 ( Czechoslovakia ) Solidarity ( Poland ) Jeltoqsan ( Kazakhstan ) Braşov rebellion ( Romania ) January Events ( Lithuania ) The Barricades ( Latvia ) April 9 tragedy ( Georgia ) Black January ( Azerbaijan ) Cold War events ( show ) Marshall Plan 1948 Czechoslovak coup d'état Tito -- Stalin Split Berlin Blockade Korean War 1956 `` Secret Speech '' Sino - Soviet Split 1961 Berlin Wall crisis 1962 Cuban Missile Crisis Vietnam War Cuban intervention in Angola Afghan War 1980 Moscow Olympics Decline ( show ) Singing Revolution Polish Round Table Agreement Revolutions of 1989 Fall of the Berlin Wall January 1991 in Lithuania in Latvia Breakup of Yugoslavia Yugoslav Wars End of the Soviet Union Fall of communism in Albania Dissolution of Czechoslovakia