Question

Which statement explains how the development of the hydrogen bomb contributed to the Cuban Missile Crisis?

The hydrogen bomb was so powerful that an attack on Cuba would end up doing damage to the U.S. mainland.

The hydrogen bomb was small enough to place on the types of missiles the Soviet Union was going to place in Cuba.

The Soviet Union placed conventional missiles on Cuba in the hopes of getting U.S. hydrogen bombs removed from Europe.

The United States blockaded Cuba to prevent a stolen hydrogen bomb from being smuggled from Cuba to the Soviet Union.

Answer 1

the second one probably

Answer 2

But did the Soviet Union have hydrogen bombs at the time?