The collection of documents offered to the reader is devoted to the history of the formation of the Union of Soviet Socialist Republics... The collection contains the most important decisions of the party on the national issue, ranging from the party's program on the national issue adopted by the VIII Congress of the RCP (b), decisions of the X and XII congresses of the party on the national issue, and ending with the decisions of the IV meeting of the Central Committee of the RCP (b) with responsible workers of national republics. The main party directives, circular letters of the Central Committee, letters, instructions and speeches of V.I. Lenin and I.V. Stalin...