List every single country and organization directly mentioned in the following text.

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Crisis Summary: CUBAN MISSILES — 1962
A crisis in the East/West protracted conflict

Background:
There were three crisis actors in the most ominous of all East/West crises, the United States, NAME_1, and the Soviet Union. The crisis lasted from 16 October to 20 November 1962. Pre-crisis After the 1961 Bay of Pigs abortive invasion (see Case #181), NAME_1 became one of the central issues of U.S. foreign policy: the U.S. viewed NAME_1 as a potential source of communist-oriented subversive activities in Latin America. When the U.S. discovered the presence of Soviet military personnel in NAME_1 on 7 September 1962 it called up 150,000 reservists. The Soviets mobilized on the 11th. Although persistent rumors circulated concerning the deployment of Soviet missiles in NAME_1, Soviet Ambassador NAME_2 denied the charges, and NAME_3 gave his personal assurances that ground-to-ground missiles would never be shipped to NAME_1. On the eve of the Missile crisis Washington did not openly challenge the Soviet statements concerning the defensive character of the weapons being sent to NAME_1.

Summary:
The U.S. crisis was triggered on 16 October when the CIA presented to President NAME_4 photographic evidence of the presence of Soviet missiles in NAME_1. The U.S. responded with a decision on the 20th to blockade all offensive military equipment en route to NAME_1. When this was announced on 22 October, a crisis was triggered for NAME_1 and the USSR. An urgent meeting of the UN Security Council was requested by both the U.S. and NAME_1 on the 22nd, and by the USSR the next day. On the 23rd as well, the Soviets accused the United States of violating the UN Charter and announced an alert of its armed forces and those of the Warsaw Pact members. That day NAME_1 responded by condemning the U.S. blockade and declaring its willingness to fight.

Three regional/security organizations were involved in this crisis--the OAS, NATO, and the WTO. NAME_4 sent NAME_5 to Paris on 23 October to brief NATO's Permanent Council on U.S. measures against NAME_1. Involved were members of the Warsaw Pact, whose forces were put on alert, and Latin American states which offered military assistance to the U.S.
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 In your response, include at most 17 words that are fully capitalized to emphasize key points.
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