 Complete the following phrase:  The Ustaše was a Croatian right-wing ultranationalist movement founded in 1929 by Ante Pavelić. After the establishment of the 6 January Dictatorship by Alexander I of Yugoslavia, Pavelić fled to Italy where he set up his organizations headquarters. Prior to World War II the Ustaše functioned as a paramilitary and terrorist organization, as it sought the separation of Croatia from Yugoslavia into an independent state through violent means. Notably, it was involved in the assassination of King Alexander in 1934 with the assistance of the Internal Macedonian Revolutionary Organization IMRO. The Ustaše however lacked broad support due to its radical and violent nature. When Nazi Germany invaded Yugoslavia in 1941, its territories were occupied by German, Italian and Hungarian forces. A german puppet-state, the Independent State of Croatia NDH was established and ruled by Pavelić and the Ustaše. During the Second World War, the Ustaše conducted genocide 