Assertion: confederal union | /r/HasAspect | canada
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text: Confederal unions also have a known history such as Australia (1901), Bosnia and Herzegovina (federal union from 1995), Cameroon (1961–1970), Canada (1867), Federal Republic of Central America (1823–circa 1838), German Empire (1871–1919), India (1950), Malaysia (1963), West Pakistan and East Pakistan (1947-1971).