Video above: Dateline Explains - Who are the Kurds?
Tens of thousands of people have fled their homes in northern Syria as the US withdraws troops from the region.
For weeks, US President Donald Trump has been discussing the fate of the Kurdish people with global leaders, while his army retreats.
The Kurds involvement with the conflict in Syria is complicated by a troubled history across several borders in the Middle East. Dateline explains the Kurdish current crisis and the relationship between the Kurds, Turkey and the US.