afghan president ashraf ghani say wednesday u.s. president donald trump strategy win war afghanistan work predecessor fail afghan army strong trump want regional approach hard line pakistan ghani also say former president barack obama partner afghanistan implicitly criticize former afghan president hamid karzai frequently disdain u.s. policy u.s.-led international military force president trump individual team partner afghanistan ghani tell asia society new york attend u.n. general assembly trump administration strategy uniqueness immense consultations us time ghani say obama decision maintain u.s. force afghanistan ensure survival despite advance taliban insurgents u.s. defense secretary jim mattis say monday 3,000 additional u.s. troop deploy afghanistan new strategy announce last month number u.s. force would rise 14,000 compare high 100,000 obama provide detail trump pledge stepped-up operations taliban open-ended commitment u.s. military advisers trainers counter-terrorism units also vow take tough line end u.s. officials say pakistan provide refuge support taliban extremist group pakistan deny charge ask trump strategy differ obama ghani say trump plan take regional approach security hard line pakistan provide new open peace talk message pakistan engage become responsible stakeholder region fight terrorism never clear ghani say offer pakistan government pakistan security apparatus invitation comprehensive dialogue pakistan take opportunity think pay high price say without elaborate afghans determine fight say one mistake defend country army good train profit new generation soldier gain experience massive cut u.s.-led international force obama force afghans assume big role fight ghani say point taliban expand control territory ghani blame inability police hold grind next phase reform afghanistan security force focus police say 16-year-long war would end ghani say think talk decade long talk limit years correct mattis say monday instead tuesday correct number troop 14,000 instead around 12,000 paragraph afghan president say trump war plan good chance obama 's