Military operations Military_operation in World War II in Yugoslavia began Process_start on 6 April 1941 , when the Kingdom of Yugoslavia was swiftly conquered Conquering by Axis forces Military_operation and partitioned Forming_relationships between Germany , Italy , Hungary , Bulgaria and client regimes .

Subsequently , a guerrilla liberation war Military_operation was fought Hostile_encounter against the Axis occupying forces Military_operation and their locally established Building puppet regimes , including the fascist Independent State of Croatia and the Government of National Salvation in the German-occupied territory of Serbia , by the Communist-led republican Yugoslav Partisans .

Jasenovac , Banjica ) run Motion by the client regimes .

Nearly four decades of civil war followed , as leftist guerrillas fought Hostile_encounter the series of U.S.-backed authoritarian regimes whose brutalities include a genocide of the Maya peoples .

They fought Hostile_encounter mostly in the pro-Republican International Brigades , which also included several thousand exiles from pro-Nationalist regimes .

The local communist regimes of Cambodia , Vietnam and Laos pledged Commitment allegiance with one of these two opposing factions .

It began Process_start in response Response to oppressive regimes and a low standard of living , starting Process_start with protests in Tunisia ( Noueihed , 2011 ; Maleki , 2011 ) .

While leadership changed Change and regimes were held Hold accountable , power vacuums opened Process_start across the Arab world .

During the Vietnam War , Vietnamese and Cambodian communists had formed Coming_to_be an alliance to fight Hostile_encounter U.S.-backed regimes in their respective countries .