Answer:
The missiles carried nuclear weapons.
The USSR stationed the missiles around the world.
The missiles made it possible to destroy targets over long distances.
Step-by-step explanation:
During the cold war Era, Both United States and Soviet Union raced to created weapons that could create a wide devastating damage to the enemy in a single used. This is why they started to include nuclear on their missiles. The purpose is to made the target became radioactive after the initial explosion. This made the target area became extremely toxic. Many of those who survive the explosion will die because of the radioactive.
The Soviet Union stationed this missiles all around the world that have strong influence of communism (such as China, Vietnam, and Cuba). It is predicted that their missiles could reach up to 16,000 Km and still operational even to this day.