Original sentence: REDIRECT History of Estonia#Independence
Edited sentence: (On July 16, 1956, the Karelo-Finnish SSR was demoted to the Karelian ASSR; from then on until 1991, the Estonian SSR was considered the 15th constituent republic.Estonia from 1918–1940 was an independent Republic after gaining independence from Russia.In response, the Estonian SSR was formally incorporated into the Soviet Union on August 9, 1940, and nominally became the 16th constituent republic of the USSR.It resulted in a victory for the newly established state and was concluded in the Treaty of Tartu.It was fought in connection with the Russian Civil War during 1918–1920.Its sole piece of business was a petition to join the Soviet Union.Main Article Estonian Soviet Socialist Republic.Main Article, Estonian War of Independence.Once the elections were concluded, authorities which had previously denied any intention of setting up a Soviet regime, then openly spoke of Sovietization and incorporation into the Soviet Union.The Estonian War of Independence was a  defensive campaign of the Estonian Land Forces and its allies, most notably the White Russian Northwestern Army, Latvia, and the United Kingdom, against the Soviet westward offensive of 1918–19 offensive and the aggression of the Baltische Landeswehr.The campaign was the struggle of Estonia for its sovereignty in the aftermath of World War I.The newly elected parliament (Riigikogu) met on July 21.which passed unanimously