The "'Balkan Pact "'was a treaty signed by Hungary, and the Soviet Union . " Nonsignatories were mostly those governments with territorial expansion in mind " ( Though this simplistic interpretation hardly provides any insight into the motives of non-signatory countries ).
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The signing of the Balkan Pact in 1938 with Greece and Yugoslavia gave Bulgaria more normal relations with its neighbors, but Bulgaria maintained its territorial claims to Yugoslav-held Macedonia, Greek-held Eastern Thrace and Romanian held Dobrudzha . ( See History of Bulgaria .)
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What he wanted to prevent with the Balkan Pact was realized by Bulgaria's attempt to put the Dobruja issue into the agenda after a series of international events ending with the Italian invasion of Albania on 7 April 1939 . These conflicts spread rapidly, triggering World War II . The goal of Atat�rk, to protect southeast Europe, failed with the dissolution of the pact.