Read the CIA brief regarding the Cuban Missile Crisis. 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.

Plz which of the following provisions of the compromise of 1850 was designed to appeal to slave states? a. congress passed a strict fugitive slave law. b. the slave trade was banned in washington dc. c. texas agreed to give away some of its land so that the territory would be available for future states. d. california was admitted to the union as a free state.