The <a href="https://en.wikipedia.org/wiki/Army_of_the_Republic_of_Vietnam" id="mwASM" rel="mw:WikiLink" title="Army of the Republic of Vietnam">Army of the Republic of Vietnam</a> <a href="https://en.wikipedia.org/wiki/Operation_Lam_Son_719" id="mwASQ" rel="mw:WikiLink" title="Operation Lam Son 719">abandon an attempt</a> to cut off the <a href="https://en.wikipedia.org/wiki/Ho_Chi_Minh_trail" id="mwASU" rel="mw:WikiLink" title="Ho Chi Minh trail">Ho Chi Minh trail</a> in <a href="https://en.wikipedia.org/wiki/Laos" id="mwASY" rel="mw:WikiLink" title="Laos">Laos</a>.