History of Belgium on matters of religion and, in recent decades, it has faced new divisions over differences of language and unequal economic development. This ongoing antagonism has caused far-reaching reforms since the 1970s, changing the formerly unitary Belgian state into a federal state, and repeated governmental crises. It is now divided into three regions: Flanders (Dutch-speaking) in the north, Wallonia (French-speaking) in the south, and bilingual Brussels in the middle. There is also a German-speaking population along the border with Germany that was granted to Prussia in the Congress of Vienna in 1815 but added to Belgium following the 1919 Treaty of
History of the Jews in Belgium Jews who died in the Holocaust has been greatly exaggerated by history. In a follow-up survey 53% of the respondents agreed with the state: "Violence against Jews is a symptom of deep anti-Jewish feelings among some people in my country". The ADL also conducted a research of anti-Jewish attitudes inside the Muslim population of Belgium. The results showed that 82% of Muslim Belgium agreed with the state "Jews have too much power in the business world", compared to 36% of the national population who agreed with it. In all eleven categories included in the research, the Muslim population reached higher