Pretty sure the answers C but u should double check to make sure hope this helped
The correct answer to the question above would be the last option, "in multiple countries all over the world." Terrorist attacks by fundamentalist groups have occurred in multiple countries all over the world. They have been doing recent terrorist attacks, one in Paris last year and Syria.
Containment was the plan to stop the spread of communism. The U.S was convinced that if one country fell to communism then the surrounding ones would eventually fall to communism. We did our best to control Communism in the east. According to the U.S Countries were either purely democratic or purely communist. there was no in between.
The Korean War was the second war in which the United Nations played a military role. The correct option among all the options given in the question is the second option. It was the toughest test for the United Nations after its inception. It was clear that the United Nations forces sent to Korea was dominated by American soldiers, but several other countries did participate in it.
I think it is B because it makes sense kind of lol.