A Fatal Guarantee: Poland, 1939
Despite Britain’s commitment to appeasement, the 1939 Agreement of Mutual Assistance with Poland led London into the Second World War. What changed?
‘It was in virtue of this that we went to war.’ Thus, William Strang, a Foreign Office official and later Permanent Under-Secretary, described the guarantee of Poland’s independence that the British and French Government gave that country on 30 March 1939.