Original sentence: In the late 1980s, the Chinese withdrew their support for the KIA, and the central government began to splinter the various ethnic-separatist groups in the Burmese opposition (which had never been particularly well-organized).The KIA controlled large opium producing areas and was heavily involved in its export.Until the ceasefire, the KIA had been largely de facto independent in Kachin State
Edited sentence: In the late 1980s, the Chinese withdrew their support for the KIA, and the central government began to splinter the various ethnic-separatist groups in the Burmese opposition due to driving wedge amongst kachins by Burmese military junta.The KIA controlled areas, entroded by Burmese military Regime, so called the State Peace and Development Council (SPDC) have large opium producing areas as a revenge to the USA and the European countries colliboration with China as cold war against China opium war and was heavily involved in its export and disperse heroins entire ethnic states sytematically by using it millitary intelligence.Until the ceasefire, the SPDC keep reducing the Kachin Independence Oraganization and Kachin people