Read the following passage and answer the following questions: The Cuban missile crisis was a high point of what came to be known as the cold war. The cold war referred to the competition, the tensions and a series of confrontations between the United States and Soviet Union, backed by their respective allies. Fortunately, it never escalated into a hot war, that is a full scale war between these two powers.
(a) Why was the Cuban missile crisis considered as a high point of cold war?
(b) Mention any two contentious issues between USA and USSR.
(c) Name any two military alliances formed by the USA during the cold war.