Original sentence: This led eventually to the change of policies during the State of Cambodia time (1989 - 1993), which included putting aside Marxism-Lenisnism as the party's ideology, but the KPRP/CPP remained firmly in control until 1993
Edited sentence: This led eventually to the change of policies during the State of Cambodia time (1989 - 1993), which in 1991 included putting aside Marxism-Leninism as the party's ideology, but the KPRP/CPP remained firmly in control until 1993