Please check back often as this is regularly updated. 1  Rim Exit Devices. 2  Rim Device: This type is used on single doors or pairs of doors that have a vertical mullion (either removable or fixed) in between the doors. The strike plate is surface mounted on the frame (or mullion).
Mikhail Gorbachev was the last General Secretary of the Soviet Union. He brought about massive economic, social, and political changes and helped bring an end to both the Soviet Union and the Cold War.
By reviewing the reforms established by former president Gorbachev, it examines what he aimed to achieve with Perestroika and Glasnost, their impact on Soviet economy and society, why they failed, and how they led the dissolution of the Soviet regime.