B. strengthen the ability of native populations to secure independence
I believe the answer is: representativeness heuristic
representativeness heuristic refers to the act of making judgement about a certain probability under uncertain situation. Representativeness heuristic often being done when investors want to accumulate wealth in the fastest way possible, even though the risk of losing all their wealth become larger.
John O'Sullivan coined the term "manifest destiny".
Answer: Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.