In this decade, Western governments were given a night to select 1200 refugees before the rest were marched down the Dangrek escarpment. The Eastern Zone massacres in this decade led Heng Samrin to defect. A refugee crisis that began in this decade was the subject of the Orderly Departure Program. An occupation that began in this decade was opposed (15[1])by the FUNCINPEC and KPNLF insurgencies. (15[1])A surprise invasion in this decade was ordered (-5[1])by (*) Hua Guofeng. (10[1])The KRA’s (10[2])repeated border (10[1])incursions during this (10[1])decade were defeated by the PAVN. A year in this decade was proclaimed Year Zero by a government which operated the S-21 prison. (10[1])For 10 points, name this decade in which the Khmer Rouge took power amidst the end of the Vietnam War. ■END■ (10[1])