The Gulag was a system of forced-labor prison camps in the USSR, from the Russian acronym for the Main Directorate of Corrective Labor Camps, a department of the Soviet secret police. It was first established under Lenin during the early Bolshevik years and ultimately included 476 camp complexes. The system reached its peak after 1928 under Stalin, who used it to maintain the Soviet state by keeping its populace in a state of terror. Whose book publicized the gulag system to the Western world? Discuss
Source: The Free Dictionary