Original sentence: French as single official language and adopted by the nobility and the bourgeoisie, had lost its overall importance as Dutch had become recognized as well, but only in 1967 an official Dutch version of the Constitution was accepted.In 2006, the French Community's coheir of Belgium's oldest university published a survey report calling Flanders' leadership in speaking multiple languages "undoubtedly wellknown", and showing this lead to be considerable : 59% of the Flemish respondents can speak French and 53% English; of the Walloons on the other hand, merely 19% Dutch and 17% English; of the Brussels' residents, 95% declare to be able to speak French, 59% Dutch, and 41% the non-local English.Initially an oligarchy characterized mainly by the Catholic Party and the Liberals, by World War II the country had evolved towards universal suffrage, the Labour Party had risen, and trade unions already played a strong role
Edited sentence: Between independence and World War II, the democratic system evolved from an oligarchy characterised by two main parties, the Catholics and the Liberals, to a universal suffrage system that has included a third party, the Labour Party, and a strong role for the trade unions.In 2006, the French-speaking Université Catholique de Louvain published a survey report calling Flanders' leadership in speaking multiple languages "undoubtedly wellknown", and showing this lead to be considerable : 59% of the Flemish respondents can speak French and 53% English; of the Walloons on the other hand, merely 19% Dutch and 17% English; of the Brussels' residents, 95% declare to be able to speak French, 59% Dutch, and 41% the non-local English.Originally, French, which was the adopted language of the nobility and the bourgeoisie, was the official language.The country has since developed a bilingual Dutch-French system, but only in 1967 an official Dutch version of the Constitution was accepted