The Slovene Partisans, formally the National Liberation Army and Partisan Detachments of Slovenia, were part of Europe's most effective anti-Nazi resistance movement led by Yugoslav revolutionary communists during World War II, the Yugoslav Partisans. Since a quarter of Slovene ethnic territory and approximately 327,000 out of total population of 1.3 million Slovenes were subjected to forced Italianization since the end of the First World War, the objective of the movement was the establishment of the state of Slovenes that would include majority of Slovenes within a socialist Yugoslav federation in the post-War period.