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A blockade could be seen as an act of war which could heighten tensions between USA, Cuba and SU, however, it would allow the US to intercept any missiles or missile related materials which would hamper the building of the launch site at Cuba, and so the missile crisis would be avoided.

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A blockade will intercept any missiles entering Cuba via the sea. This will prevent the threat to the USA from worsening and has a possibility of stopping the entire operation since the blockade shows that the USA had already found out about the missiles. However, Castro and Krushkev could see this as an act of harassment and worsen relations between USA and the Soviet Union.

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Opening direct negotiations would show that the USA wants to approach this issue cordially without any mistrust. By doing so, it would be the most feasible to try and settle with an agreement so that there would not be any more issues or tensions between Cuba and the USA.

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Not being aggressive while still trying to defend themselves

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27th.

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Does it mean it is useless as evidence about the reasons why the Cuban Missile Crisis began?

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The sources differ in their opinions regarding the Cuban Missile Crisis. Does it mean that one of them is wrong?

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It is useless as evidence based on its content. It does not show any relation to the Cuban Missile Crisis since it is only a picture of Castro and Khrushchev embracing each other in the UN General Assembly. Thus, it is useless.

However, it is useful since it tells us that the close relationship between Cuba and the Soviet Union based on context. Castro was the Prime Minister of Cuba and Khrushchev was an important personage in the Soviet Union. They are shown embracing each other at the UN General Assembly in the source. This implies that Castro and Khrushchev and their respective countries had a close relationship. Since Castro was the Prime Minister of Cuba, it also implies that Cuba had already become communist. Communism and capitalism were opposing ideologies and with Cuba’s close proximity to the US, which was capitalist, it would be easy for Cuba to attack the US with missiles. This was how the Cuban Missile Crisis began, where Cuba obtained missiles from its partner, the Soviet Union, and almost launched missiles and causing severe casualties in the USA. This all stemmed from the close relationship between Cuba and the Soviet Union. Thus, it is useful.

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It is useless as evidence based on its content. It does not show any relation to the Cuban Missile Crisis since it is only a picture of Castro and Khrushchev embracing each other in the UN General Assembly. Thus, it is useless.

However, it is useful since it tells us that the close relationship between Cuba and the Soviet Union based on context. Castro was the Prime Minister of Cuba and Khrushchev was an important personage in the Soviet Union. They are shown embracing each other at the UN General Assembly in the source. This implies that Castro and Khrushchev and their respective countries had a close relationship. Since Castro was the Prime Minister of Cuba, it also implies that Cuba had already become communist. Communism and capitalism were opposing ideologies and with Cuba’s close proximity to the US, which was capitalist, it would be easy for Cuba to attack the US with missiles. This was how the Cuban Missile Crisis began, where Cuba obtained missiles from its partner, the Soviet Union, and almost launched missiles and causing severe casualties in the USA. This all stemmed from the close relationship between Cuba and the Soviet Union. Thus, it is useful.