On 6 April, the united leftist opposition formed the Far Eastern Republic as a semi autonomous buffer state between the Bolshevik dominated Russian Soviet Federative Socialist Republic and the rest of the Russian Far East still controlled by the White Movement and Japanese interventionists. On paper the Far Eastern Republic incorporated the Kamchatka Oblast, Zabaykalsky Krai, Primorsky Krai, Sakhalin Oblast, Amur Oblast and the Chinese Eastern Railway. However the eastern portion of Zabaykalsky Krai was still under the control of forces loyal to ataman Semyonov, forming the so-called Chita Holdup. The holdup thus prevented the Reds from connecting the Far East Republic with the Primorsky Krai.