"We're looking for every responsible nation to support peace in the sub-continent and across this war in Afghanistan that's gone on now for 40 years", he told reporters at the Pentagon on Monday as he welcomed Union Defence Minister Nirmala Sitharaman for talks.
"The foreign minister assured the United States side of Pakistan's steadfast support for a negotiated settlement", it said.
"For the Afghans who have died, it's an attempt to come to a long, peaceful political settlement in their country".
Ties between the U.S. and Pakistan strained after Trump, while announcing his Afghanistan and South Asia policy in August previous year, hit out at Pakistan for providing safe havens to "agents of chaos" that kill Americans in Afghanistan and warned Islamabad that it has "much to lose" by harbouring terrorists.
Pakistan has long denied the claims and says it has paid the price for its alliance with the USA in the so-called "war on terror", with thousands of its citizens killed in its long struggle with militancy.
Prime Minister Imran Khan on Wednesday reiterated Pakistan's "abiding interest" in achieving lasting peace and reconciliation in war-torn Afghanistan through a political settlement.
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U.S. commanders have said they expect the Taliban to step up military efforts to better their position while they maintain contacts with United States special envoy Zalmay Khalilzad, aimed at opening peace negotiations. He said he doesn't know how long it will take to develop an Afghan force capable of defending its own country.
Pakistan's action or inaction as it relates to stability in Afghanistan has often led to US's frustration.
The special envoy will travel to Afghanistan, Russia, Uzbekistan, Turkmenistan, Belgium, the United Arab Emirates and Qatar during his 18-day tour till to December 20.
Trump has been clear that he wants to bring home USA troops who remain in Afghanistan as part of Resolute Support and a separate counter-terrorism mission aimed against militant groups such as al Qaeda and Islamic State.
Earlier, US President Donald Trump had written a letter to the Pakistan PM Imran Khan, where the former had been seeking the support of the latter to initiate a pace process in Afghanistan and strengthen a US-Pakistan partnership. He has emphasized that Pakistan and US should explore opportunities to work together and renew partnership.
"Pakistan reiterates its commitment to play the role of facilitator in good faith", the ministry said.