The constitutional revision of 1970 also laid the foundations for the establishment of three Regions, which was a response to the demand of the Walloons and the French-speaking inhabitants of Brussels for economic autonomy.
Revisi konstitusi revisi tahun 1970 juga meletakkan dasar-dasar pembentukan tiga Daerah, sebagai respon terhadap permintaan Walonia dan penduduk Brussel berbahasa Prancis untuk otonomi ekonomi.