What term was applied to the peaceful separation of czechoslovakia into two separate nations?

The Velvet Divorce is the name given to the dissolution of Czechoslovakia into two separate countries, the Czech Republic and Slovakia, which went into effect on 1 January 1993. The name Velvet Divorce references the Velvet Revolution of 1989, which led to the end of Communist rule in Czechoslovakia.---History, Politics & Society

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.