 This was a difficult task, given the territorial interests of the Russian Soviet Federative Socialist Republic, Second Polish Republic, and Belarusian People's Republic.On June 10, 1919 the Lithuanian army reached the territory controlled by the partisan (Green Guard).Latvian national partisans waged guerrilla warfare against Soviet rule during the Soviet occupation of Latvia in 1940 during World War II, and the Latvian Soviet Socialist Republic after the war.