▁A ▁number ▁of ▁Mac Le h ose ' s ▁most ▁significant ▁policies ▁included : ▁ ▁N ine ▁years ▁of ▁comp uls ory , ▁free ▁education ▁for ▁school - aged ▁children ▁ ▁IC AC ▁( Ind ep endent ▁Commission ▁Again st ▁Cor ruption ▁( H ong ▁Kong )) ▁in ▁ 1 9 7 4 : ▁er adic ated ▁cor ruption ▁in ▁public ▁bodies , ▁police ▁force , ▁fire fig h ters ▁and ▁business ▁corpor ations , ▁which ▁led ▁to ▁Hong ▁Kong ▁being ▁regarded ▁as ▁one ▁of ▁the ▁least ▁cor rupt ▁cities ▁during ▁the ▁ 1 9 9 0 s ▁ ▁the ▁Ten ▁Years ▁H ous ing ▁Sch eme , ▁designed ▁to ▁end ▁squ atting ▁and ▁sl ums ▁and ▁provide ▁am ple ▁housing ▁for ▁expansion . ▁ ▁Social ▁w elf are ▁protection : ▁Job se ek ers ' ▁Allow ance , ▁E lder ly ▁Allow ance , ▁Dis ability ▁Allow ance , ▁etc . ▁ ▁Over ha ul ▁of ▁the ▁health care ▁system ▁and ▁construction ▁of ▁Queen ▁Elizabeth ▁Hospital , ▁Queen ▁Mary ▁Hospital , ▁Princess ▁Margaret ▁Hospital ▁and ▁Prince ▁of ▁Wales ▁Hospital ▁ ▁A do ption ▁of ▁Chinese , ▁along ▁with ▁English , ▁as ▁an ▁official ▁language ▁of ▁British ▁Hong ▁Kong ▁ ▁Development ▁of ▁new ▁towns , ▁Sh a ▁T in ▁and ▁T uen ▁Mun ▁ ▁Est ab lish ment ▁of ▁country ▁par ks ▁to ▁preserve ▁ 7 0 % ▁of ▁Hong ▁Kong ' s ▁green ▁land mass ▁ ▁With ▁the ▁rising ▁public ▁service ▁provision ▁came ▁a ▁cl amp down ▁on ▁the ▁free ▁flow ▁of