Answer:
A. Communism
Explanation:
Since North Korea is controlling both the economy and the country (more properly, state) as a whole, that makes it communist. Utopianism is the idea that the society is perfect, and North Korea isn't perfect, nor is any state around the globe. It isn't Capitalist because it controls everything (in essence). It isn't Socialism, since, again, it controls everything.
President Eisenhower didn't want communism to spread throughout the world
Terrorist extremists were attempting to scare America by showing power and organization to attempt to have us forfeit the war.
These guys basically plucked from a handful of "sinful wrongdoers" that they believed were to be punished by their own god, and yet took things into their hands. They'd accuse any woman as of being a witch. A servant girl, a sick old lady married to her servant, a homeless begger. And so forth. They played the game telephone and spread lies about anyone and everyone resulting in innocents dying.
It started to bring like an uprise in advance military and technology in countries. Which lead to see which country was like the most advanced or wtv