Latvia, together with the other Baltic States, lost its independence in 1940 in the aftermath of the partition of Europe between Germany and the USSR agreed by Adolf Hitler's Germany and Joseph Stalin's Soviet Union by way of the secret protocol to the Molotov-Ribbentrop Pact, an agreement contrary to the generally recognised principles of international law. The ensuing annexation of Latvia by the Soviet Union was orchestrated and conducted under the authority of the Communist Party of the Soviet Union (CPSU), the Communist Party of Latvia (CPL) being a satellite branch of the CPSU.