The correct answer here is the last option.
The country that is most associated with the policy of appeasement was Great Britain. The policy of appeasement in international relations refers to making concessions to an aggressive force, state, in order to avoid and prevent conflict. Britain's Prime Ministers are often associated to this policy as they made concessions to both Nazi Germany and Fascist Italy. This course of action was deemed dishonorable and in the failed to conflict.
