Lithuania result of the staged Żeligowski's Mutiny in October 1920, Poland took control of Vilnius Region and annexed it as Wilno Voivodeship in 1922. Lithuania continued to claim Vilnius as its "de jure" capital and relations with Poland remained particularly tense and hostile for the entire interwar period. In January 1923, Lithuania staged the Klaipėda Revolt and captured Klaipėda Region (Memel territory) which was detached from East Prussia by the Treaty of Versailles. The region became an autonomous region of Lithuania. On 15 May 1920, the first meeting of the democratically elected constituent assembly took place. The documents it adopted, i.
Socialist Party of Lithuania regulated, socially oriented market economy - with the production forces and relations of production the managements goal. Markets in the system - as far as possible, and state regulation - as needed. It considers the principles of state regulation as the best economic development incentive. The LSP ideology was based on the methodology of dialectical materialism, the theory of Marxism and contemporary social science. It believed that Socialists should unambiguously disassociate from Stalinist and totalitarian theories and practice. LSP propagated what it believed to be the new 21st century socialism. Socialist Party of Lithuania Socialist Party of Lithuania () was