C. The type of products the factory produced
To begin, it didn't promote "peace" as much as it promoted a "cold war" which is the whole point of the name, Cold War.
Nuclear Weapons essentially forced the US and the Soviet Union into an uncomfortable draw.
They knew they couldn't fight each other directly so they fought each other in a series of devastating proxy wars around the world.
President Obama signed an order to close the Guantanamo prison due to alleged abuses and use of torture.
I think the answer is C :)
A. He was moody and short tempered and once had his nose broken in a fight with a fellow student.