Why did Soviet ships turn back on their way to Cuba? US ships had formed a naval quarantine around Cuba.
The Soviet Union had sworn not to interfere in Cuba.
Fidel Castro had proclaimed that the ships could not dock in Cuba.
The United Nations had issued a medical quarantine of Cuba.

us ship had formed a naval qurantine around cuba

Explanation:

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question - in the 1900s there were two competing views about the environment that often pitted industrialist and conservationist against one another. how were these two competing views demonstrated by the environmental policies of president roosevelt and president taft?

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