clear and hold
... that the counter-insurgency strategy of clear and hold, widely implemented in the Vietnam War and elsewhere, has also been used extensively in the Iraq War?
...  that the <a class="mw-redirect" href="./Counter-insurgency" id="mwGos" rel="mw:WikiLink" title="Counter-insurgency">counter-insurgency</a> strategy of <b id="mwGow"><a href="./Clear_and_hold" id="mwGo0" rel="mw:WikiLink" title="Clear and hold">clear and hold</a></b>, widely implemented in the <a href="./Vietnam_War" id="mwGo4" rel="mw:WikiLink" title="Vietnam War">Vietnam War</a>  and elsewhere, has also been used extensively in the <a href="./Iraq_War" id="mwGo8" rel="mw:WikiLink" title="Iraq War">Iraq War</a>?