External pressure could continue to play a role, and "the Taliban's desires for foreign aid and legitimacy might marginally moderate its conduct over time," the report said.
The foreign ministers of Turkey, Pakistan and Afghanistan called on the Afghan Taliban on Friday to reaffirm its commitment to achieving a negotiated settlement for lasting peace in Afghanistan.
In a joint statement issued after talks in Istanbul, the three ministers underlined “the urgent need for an immediate ceasefire” to end the violence and “provide a conducive atmosphere” for peace talks.
Pakistan has urged the Taliban to remain engaged in the Afghan peace process, after the group announced that it would not attend any multilateral summits until all foreign forces withdraw from the country.
The Taliban's refusal has thrown the peace process into a state of disarray, with the group refusing to take part in a Turkey-hosted summit that diplomats had hoped could create new momentum towards a political settlement.
In a phone call, Prime Minister Imran Khan and Turkish President Recep Tayyip Erdogan discussed issues of mutual interest, including further strengthening of bilateral relations in all areas.
PM said that Pakistan had fully supported and facilitated the US-Taliban peace agreement.
Biden said the United States had "accomplished" its limited original mission of crushing the international militants groups behind the 9/11 attacks and that with every passing year the rationale for staying was "increasingly unclear."
President Joe Biden’s planned announcement on Wednesday of a complete U.S. withdrawal from Afghanistan by Sept. 11 aims to close the book on America’s longest war, as critics warn that peace is anything but assured after two decades of fighting.
As officials disclosed Biden’s pullout plans, the U.S. intelligence community renewed deep concerns on Tuesday about the outlook for the U.S.-backed government in Kabul, which is clinging to an eroding stalemate.