The answer is B. Preamable
Here is a picture of a bobcat to apologize if it’s wrong
Answer:
This era created changes in business, the work that people did, and society. These shifts continue to affect the world today.
Examples:
Industrialisation brought men, women and children to factories.
Working hours were often long and wages were poor.
Unemployment was common, particularly during times of low demand for industrial goods.
It was mostly about weaponry and its positioning. Both sides started amassing nuclear weaponry in the form of missiles and then started placing them worldwide in ally countries to defend themselves if need be. For example, the Cuban missile crisis happened when Soviets wanted to put ballistic missiles into Cuba who was an ally. The US of course did the same thing only in Europe.