Consider the following statements about power sharing arrangements

In Belgium and Sri Lanka

a)  In Belgium the rich and educated Dutch-speaking majority people tried to impose their domination on the minority French speaking community. 
b)  In Sri Lanka the policies of government ensured the dominance of the Sinhala speaking majority.
c)  The Tamils in Sri Lanka demanded a federal arrangement of power sharing to protect their culture, language and equality of opportunity in education and jobs. 
d)  The transformation of Belgium from unitary government to a federal one prevented a possible division of the country on linguistic lines. 

Which of the statements given are correct?