DUBAI, United Arab Emirates (AP) The ruling emir of Qatar, whose nation has played a pivotal role in Afghanistan in the wake of the U.S. withdrawal, urged world leaders gathered at the United Nations on Tuesday against turning their backs on the countrys Taliban rulers.

Speaking from the podium of the U.N. General Assembly, Sheikh Tamim bin Hamad Al Thani stressed the necessity of continuing dialogue with Taliban because boycott only leads to polarization and reactions, whereas dialogue could bring in positive results.

His warning was directed at the many heads of state worried about engaging with the Taliban and recognizing their takeover of Afghanistan.

The Taliban say they want international recognition. The group challenged the credentials of Afghanistans former U.N. ambassador and are asking to speak at the U.N. General Assemblys high-level meeting of world leaders. They say it is the responsibility of the United Nations to recognize their government and for other countries to have diplomatic relations with them.

Senior State Department officials said they were aware of the Talibans request as the U.S. is a member of the U.N. credentials committee, but they would not predict how that panel might rule. However, one of the officials said the committee would take some time to deliberate, suggesting that the Talibans envoy would not be able to speak at the General Assembly at this session, at least during the high-level leaders week.

To date, no nation has yet formally recognized the Talibans ascension by force to power or its all-male Cabinet , which is stacked with senior figures who were previously detained in the U.S. detention facility in Guantanamo Bay, Cuba or are on a United Nations sanctions list. The group has said this exclusively Taliban-run Cabinet is only interim, offering hope that a future government could be more inclusive.

President Joe Biden , who also spoke earlier at the U.N. on Tuesday, said the end of American military operations in Afghanistan last month would be followed by a new era of relentless diplomacy with the rest of the world.

In that same spirit of diplomacy, Sheikh Tamim said Qatar agreed years ago to host the Talibans political leadership in exile because we were confident that war offers no solution and that there would be dialogue in the end.

Qatar is a close U.S ally and hosts the largest U.S. military base in the Middle East, but the tiny Gulf Arab state also has some sway with the Taliban. Because of its unique role , Qatar hosted direct U.S.-Taliban talks around the American withdrawal from Afghanistan and helped facilitate evacuations from Kabul.

Now, countries like the U.S. and Japan have relocated their diplomatic staff in Afghanistan to Qatar to continue diplomacy from there. Qatar is also assisting with the facilitation of needed humanitarian aid and with operations at Kabul airport.

Sheikh Tamim on Tuesday urged against repeating past mistakes in Afghanistan to impose a political system from outside.

Regardless of intentions, efforts made and money invested, this experience in Afghanistan has collapsed after 20 years, Sheikh Tamim said.

The 41-year-old leader said the international community must continue to support Afghanistan at this critical stage and to separate humanitarian aid from political differences. Afghanistan is among the worlds poorest countries and receives billions of dollars in foreign aid a year, though that could change with the U.S.-backed government out of power and the Taliban now in charge.

Uzbekistan, another neighboring country to Afghanistan, has resumed the supply of oil and electricity to the war-torn country, according to President Shavkat Mirziyoyev.

It is impossible to isolate Afghanistan and leave it within the range of its problems, he said in remarks at the U.N. on Tuesday. He called for a permanent U.N. Committee on Afghanistan.

Earlier this week, Pakistans foreign minister told reporters at U.N. headquarters that Taliban rulers should understand that if they want recognition and assistance in rebuilding the war-battered country they have to be more sensitive and more receptive to international opinion and norms. The top leadership of the Taliban for years has operated out of Pakistan, which shares a border with Afghanistan and is home to large numbers of Afghan refugees.

Despite their promises of an open and inclusive system, there have been numerous troubling signs that the Taliban are restricting womens rights and targeting activists and those they battled against as they settle into government after taking control of the capital of Kabul last month. During their previous rule of Afghanistan in the 1990s, the Taliban had denied girls and women the right to education and barred them from public life.

Sheikh Tamim said it is up to the Afghan people to achieve a comprehensive political settlement and pave the way for stability. He touted Qatars outsized role in assisting with the chaotic U.S.-led evacuation of more than 100,000 Afghans and others from Kabul in August.

This was our humanitarian duty, he said.

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Associated Press writer Matthew Lee in New York contributed to this report.

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Dubai-based Associated Press journalist Aya Batrawy covers the Gulf and wider Middle East. Follow her on Twitter at http://twitter.com/ayaelb