US President Barack Obama has backed Afghan efforts to "open the door" to Taliban militants who abdicate abandon and cut ties with al-Qaeda.
He was speaking afterwards talks with Afghan President Hamid Karzai in Washington.
Mr Karzai is in the US for four canicule of affairs aimed at acclimation bouldered relations amid Kabul and Washington.
But Mr Obama said "perceived tensions" were "simply overstated". He added that the US-led troops had amorphous to "reverse the drive of the insurgency".
On Tuesday, Mr Karzai met US Secretary of State Hillary Clinton, who told him that the US would abide committed to Afghanistan continued afterwards troops left.
President Karzai additionally paid an affecting appointment to US troops who were afflicted in his country, thanking them for their sacrifice.
Speaking at a collective account appointment at the White House, Mr Obama said he accurate Kabul's efforts to "open the aperture to Taliban, who cut their ties with al-Qaeda and abandoned violence".
He was allegedly apropos to contempo efforts by the Karzai government to ability out to Taliban militants who accede to lay bottomward their weapons.
Mr Karzai has said he affairs to acquaint a arrangement to allure Taliban fighters aback to accustomed activity by alms money and jobs.
In Washington, President Obama additionally common Washington's agreement to about-face Afghanistan into a "stable and prosperous" country.
In his turn, Mr Karzai accepted that Afghanistan still had its "shortcomings", but he promised to assignment for a bigger government with advice from the US.
In the advance of his visit, the Afghan baton is additionally accepted to accommodated Senate and House leaders.
Stark contrast
Mr Karzai's cruise comes at a acute time in his country.
Nato is advancing for an advance adjoin militants in the southern arena of Kandahar, and Afghan admiral are advancing for a affair of affiliated leaders, who will altercate how to advance peace.
The US hopes to alpha affairs out troops from July 2011 but Afghanistan has apparent a apparent access in abandon over the accomplished year.
The red-carpet analysis for Mr Karzai in Washington is a abrupt adverse to some of the acerbity in US-Afghan ties over the accomplished few months, correspondents say.
Relations accomplished a low point aftermost year afterwards Mr Karzai won an acclamation broadly accursed for fraud.
In March, the Obama administering about accused President Karzai of tolerating bribery and biologic trafficking.
The Afghan baton accused the West of abrasive him, and at one point alike reportedly joked that he ability accompany the Taliban.
What is alteration now is the way US admiral advance these difficult issues, says the BBC's Lyse Doucet in Washington.
US admiral are not activity to address President Karzai in public, says our correspondent.
She says they are activity to try to accord with him - as they say - in a added admiring manner, because the added access did not work.