▁against ▁the ▁British ▁following ▁the ▁E aster ▁ 1 9 1 6 ▁u pr ising . ▁The ▁I RA ▁comprom ised ▁communication ▁lines ▁and ▁lines ▁of ▁transport ation ▁and ▁fuel ▁supplies . ▁The ▁I RA ▁also ▁employed ▁pass ive ▁sab ot age , ▁ref using ▁dock ▁and ▁train ▁workers ▁to ▁work ▁on ▁ships ▁and ▁rail ▁cars ▁used ▁by ▁the ▁government . ▁In ▁ 1 9 2 0 , ▁agents ▁of ▁the ▁I RA ▁committed ▁ar son ▁against ▁at ▁least ▁fifteen ▁British ▁w are h ouses ▁in ▁Liverpool . ▁The ▁following ▁year , ▁the ▁I RA ▁set ▁fire ▁to ▁numerous ▁British ▁targets ▁again , ▁including ▁the ▁Dublin ▁Custom s ▁House , ▁this ▁time ▁sab ot aging ▁most ▁of ▁Liverpool ' s ▁fire tr uck s ▁in ▁the ▁fire h ouses ▁before ▁light ing ▁the ▁matches . ▁ ▁In ▁World ▁War ▁II ▁ ▁Lieutenant ▁Colonel ▁George ▁T . ▁R he am ▁was ▁a ▁British ▁soldier , ▁who ▁ran ▁Br ick end on bury ▁Man or ▁from ▁October ▁ 1 9 4 1 ▁to ▁June ▁ 1 9 4 5 ▁during ▁World ▁War ▁II , ▁which ▁was ▁Station ▁XVII ▁of ▁the ▁Special ▁Oper ations ▁Executive ▁( SO E ), ▁which ▁trained ▁special ists ▁for ▁the ▁SO E . ▁R he am ▁innov ated ▁many ▁sab ot age ▁techniques , ▁and ▁is ▁considered ▁by ▁M . ▁R . ▁D . ▁Foot ▁ ▁the ▁" found er ▁of ▁modern ▁industrial ▁sab ot age ." ▁▁▁ ▁Sab ot age ▁training ▁for ▁the ▁Al lies ▁consisted ▁of ▁teaching ▁would -