What roles did ronald reagan and mikhail gorbachev play in ending the cold war

American conservatives give credit for the Cold War's end to Ronald Reagan, but both Reagan and Gorbachev played big roles in ending the Cold War. Gorbachev was the fourth Soviet leader during Reagan's presidency. Relations between the two countries were extremely tense before he assumed power in 1985. 
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Ronald Reagan always heavily criticized the Soviet Union and offered support to anti-communist opposition in central Europe as a way to weaken the Soviets. Reagan trained, equipped and lead many forces against the Soviet Army, which helped to end the Soviet occupation of Afghanistan.

Gorbachev also was responsible for the end of the Cold War, he needed support to lift the Soviet’s economy and found in Reagan an ally. Gorbachev made a series of reforms such as the Perestroika that allowed open market forces to be introduced in the Soviet economy.

With that, the Detente policy was able to be imposed, it meant that tensions were relaxed. The Nuclear non-proliferation Treaty, the Helsinki Accords were signed.

For Exclusive Provider Organization (EPO) the correct answer is: "does not cover out of network providers". In this insurance plan a primary care provider is not necessary, but health care providers should be chosen from a predetermined network. It does not cover out of network providers, and in order to see one, you would require a pre-authorization.

For the Point of Service (POS) the correct answers are: "is a HMO / PPO hybrid", "selects a primary care physician" and "costs more to see out of network providers" . Like a Health Maintenance Organization (HMO), in this type of plan it is necessary to select a primary care provider or physician, but like a Preferred Provider Organization (PPO), the patients could go outside of the network for health care services, however it would cost more

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