I think it’s B because it’s give more information
The correct answer is prevent communism from spreading to any additional territories.
The Cold War was an time period in which the United States and Soviet Union competed for global influence and power. At this time, the US was worried about the spreading of the Soviet Union and their power due to their communism system. The federal government felt that communism restricted individuals civil liberties and economic freedoms. This is why the US adpoted the policy of containment.
Containment was focused on stopping the spread of communism to other countries and territories around the world.
Members of Congress from both parties do not argue with the
reports and reviews of the CBO because its nonpartisan and thus does not lean
on either side of the political divide. Its reports and reviews are unbiased
and objective aimed at ensuring prudent use of public resources
I believe it was A, if I'm not mistaking.