Ghana was combined in the kingdom of Mali in 1240 marking the end of the Ghana Empire. A tradition in historiography maintains that Ghana fell when it was sacked by the Almoravid movement in 1076–77, although Ghanaians resisted attack for a decade. but this interpretation has been questioned.
Glasnost (openness) and Perestroika were the policies adopted by Mikhail
Gorbachev (answer C.) to save the Soviet economy- Gorbachev received Nobel Peace Prize for this.
