 Despite U.S. denials, however, the Secret War was actually the largest U.S. covert operation prior to the Soviet–Afghan War, with key areas of Laos controlled by invading communist North Vietnam's Vietnam People's Army.At the time, some argued that the denial of the U.S. covert war, "Secret War", in the Kingdom of Laos was being used by elements within the U.S. Department of State under the Clinton administration as one key reason to wrongly justify a forced repatriation of the Hmong and Laotians from refugee camps in Thailand back to the communist regime in Laos, where they fled persecution and human rights violations.Eventually as a result as of the efforts in Washington, D.C., and Arlington National Cemetery, by the Lao Veterans of America, CPPA and other advocates and policy experts, the U.S. government formally reversed its position, acknowledging both the existence of the U.S.-led Secret War and the Lao and Hmong "Secret Army" contribution to U.S. efforts during the Vietnam War.