The Constitution recognized natural rights. Hope this helps.
Answer: B is correct.
Explanation: there were many who wanted to follow isolationism arguing that the war was problem of Europeans, there were also those (many Americans were of European origin with their roots in different corners of the Old continent). Situation changed and USA (country of European origin and roots) entered the war and continued engaged in (especially) European security policy.
I think you forgot to add some detail but based on my research, the correct answer to this question is "A Bill of Rights was added to the Constitution." Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.