sentences:  The demonization of Japanese historical and archaeological findings in Korea as imperialist forgeries owes in part to those scholars' discovery of the Lelang Commandery—by which the Han dynasty administered territory near Pyongyang—and insistence that this Chinese commandery had a major impact on the development of Korean civilization.Until the North Korean challenge, it was universally accepted that Lelang was a commandery established by Emperor Wu of Han after he defeated Gojoseon in 108 BCE.To deal with the Han Dynasty tombs, North Korean scholars have reinterpreted them as the remains of Gojoseon or Goguryeo.