Thursday's call from PKK leader Abdullah Ocalan for the group to disarm and disband could potentially lead to ending a 40-year conflict.
Now, as Donald on his second term, many of these key disputes with Turkey's Recep Tayyip Erdogan remain unresolved, while new frictions have emerged – some of which could significantly impact Israel.
The Ukrainian president said that Thursday's negotiations in Riyadh came as a surprise to him, and he delayed his visit to Saudi Arabia.
Erdogan’s ambitions in Syria go beyond fighting ISIS. Is he laying the foundation for a modern Ottoman Empire?
"Everyone should take their hands off Syria and we, along with our Syrian siblings, will crush the heads of Islamic State, the YPG and other terrorist organizations in a short time."
If Turkey decides to arm the rebel forces, it is unclear how Israel will respond and whether it will be able to thwart the transfer of American-backed weapons.
As the Syrian regime collapses, Turkey faces new challenges in balancing alliances with NATO, Russia, and Iran.
The Syrian civil war highlights shifting alliances, Turkey's ascendance, and enduring threats from Iran and jihadists.
These latest moves have drawn backlash from Turkish parties.
Miller added that some Hamas leaders are under US indictment and Washington believes they should be turned over to the United States.