DOHA, Qatar—The U.S. and the Taliban signed a historic offer Saturday meant to end America’s longest war and pave the way for Afghan factions to carry eighteen a long time of costly fighting in their region to an end.

To the shouts of “God is great” by Taliban leaders, a co-founder of the insurgent team and a top American diplomat shook arms on a strategy that phone calls for the U.S. to pull all its forces out of Afghanistan about the subsequent 14 months. In trade, the Taliban pledged to examine a extensive-expression cease-fireplace with the Afghan government…