Edit histories of example sentences（3）
Edited over 2 years ago
Kentaro Hanahara
Addition of sentence （ Adopted ）
Original
The Gulag was an extensive system of labor camps in the Soviet Union.
Edited over 2 years ago
Kentaro Hanahara
Addition of sentence （ Adopted ）
Original
The Soviet Union operated a system of Gulag prison camps for political dissidents.
Edited over 2 years ago
Kentaro Hanahara
Addition of sentence （ Adopted ）
Original
The gulag was a prison system in the Soviet Union.
