The North believed that preserving the Union was of utmost importance. The South favored states' rights. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
The correct answer to the question is C
Explanation:
The strategy of "containment" is best known as a Cold War foreign policy of the United States and its allies to prevent the spread of communism after the end of World War II.