WASHINGTON—A United Nations report issued Monday discovered that Afghanistan’s Taliban has managed close ties with al Qaeda, holding at minimum six higher-degree meetings with leaders of the group throughout a lot more than a year of talks with the United States.

The U.N. results level to the difficulty confronted by the Taliban in utilizing its facet of the agreement signed with the U.S. in February. Beneath the conditions, the U.S. will withdraw all its troops in just fourteen months in return for a Taliban assurance that Afghanistan will in no way all over again develop into…