"There is no combat role for United States forces," Kerry said. "And the bilateral security agreement is an effort to try to clarify for Afghans and for United States military forces exactly what the rules are with respect to that ongoing relationship.
"It's very important for President Karzai to know that the issues that he's raised with us for many years have been properly addressed, and it's very important for us to know that issues we have raised with him for a number of years are properly addressed."
Washington was seeking Kabul's agreement to give remaining US troops immunity from Afghan laws and allow them to enter Afghan homes in exceptional circumstances.
