Who was responsible for introducing glasnost and perestroika to the Soviet Union?
A) Czar Nicholas II
B) Boris Yeltsin
C) Vladimir Putin
D) Mikhail Gorbachev
Answer: D
Who was responsible for introducing glasnost and perestroika to the Soviet Union?
A) Czar Nicholas II
B) Boris Yeltsin
C) Vladimir Putin
D) Mikhail Gorbachev