This prime minister ended use of the Treaty Ports 
This prime minister ended use of the Treaty Ports in a trade agreement with Eamon de Valera. During his administration, Lord Halifax replaced his outspoken Foreign Secretary, Anthony Eden. His half-brother worked with Charles Dawes to organize the Locarno pact and was named Austen. This man created a Ministry of Supply, was Prime Minister during the (*) "phoney war," and was preceded by Stanley Baldwin. After attending a conference in Munich, this man declared "Peace in our time." For 10 points, name this prime minister who practiced the policy of appeasement and was succeeded by Winston Churchill.
This prime minister ended use of the Treaty Ports in a trade agreement with Eamon de Valera.
[Arthur] Neville Chamberlain