Who are the key players in Afghanistan?

Updated 3:14 PM ET, Tue September 19, 2017

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(CNN)Like two US Presidents before him, Donald Trump has a plan to win the United States' longest-running war.

In a long-awaited speech this month, Trump made it clear the US will remain a major actor in Afghanistan for years to come -- doubling down on the conflict with a likely troop increase -- but he also called on other countries in South Asia to do their part.
Once a key battlefield in the