Question

Why was the Cuban missile crisis significant?
Cuba threatened to invade the United States.
It came close to starting a full-scale nuclear war.
The United States almost fell under communist rule.
It promoted nuclear research in the Soviet Union.

Answer 1

It was a major event to starting WWIII and the only time when communist atomic weapons got close enough to fire on our land.
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Answer 2

Hey there!

The correct answer to your question is the 2nd option.

The Cuban Missile crisis was significant because it came close to starting a full-scale nuclear war.
This means that the Cuban missile was important and remarkable, and got  more serious and also more dangerous.

Hope this helps you.
Have a great day!