Negotiations began in 1970 under the pro-European government of Edward Heath, who had to deal with disagreements relating to the Common Agricultural Policy and the UK's relationship with the Commonwealth of Nations.
Förhandlingarna påbörjades 1970 under den proeuropeiska regeringen Edward Heath, som var tvungen att hantera konflikter relaterade till den gemensamma jordbrukspolitiken och Storbritanniens relation till samväldet.