I'd have to say C is the answer
The term is known as A. Appeasement. Britain and France were attempting to appease Hitler by allowing him to continue to annex certain territories. Unfortunately, Britain and France would be forced into a conflict between them and Germany due to Hitlers continued expansion.
For less complication like these people post here you are "The United States saw the Ngo Dinh Diem was alienating South Vietnamese citizens."
The Magna Carta
The Magna Carta, or "Great Charter," affirmed that everyone is subject to the law -- even the king. It was an agreement between King John and the nobility in 1215, but its listing of rights provided instrumental founding principles for the wider establishment of rights for all citizens in the centuries following -- including the rights guaranteed in the Constitution of the United States.