In November 1936, Germany, Italy and Japan signed a treaty agreeing to a common foreign policy. On 11 March 1938 Germany occupied Austria. On 30 September 1939 Germany occupied the Sudetenland, and six months later she invaded Czechoslovakia. In 1939 Italy occupied Albania. On 23 August the Ribentrop-Molotov Treaty was signed. Poland was divided between Germany and the USSR, and on 1 September WWII began. Bulgarian society was divided in two parts; those supporting Great Britain, France and USA, and those supporting Germany, Italy and Japan. The cabinet of Georgi Kyoseivanov remained neutral until 15 September. On 31 July 1938 Bulgaria signed the Balkan Pact – its neighbors gave up the military restrictions of the Neuilly Treaty. Tsar Boris III disbanded Parliament.