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.
This in turn raises the issue of the USSR and the role played by Gorbachev himself. Here most historians would concede that without a reformer taking over in the Kremlin, not only would there have been nobody with whom Reagan could engage, but there would have been no end to the Cold War either.