Donald Trump hosted C5+1 leaders at a White House summit in November 2025 where over $25 billion in commercial commitments were announced and Kazakhstan agreed to join the Abraham Accords.

From the articleMarco Rubio arrives in Uzbekistan for C5+1 talksAlso in Rubio arrives in Central Asia while other US officials hit foreign policy hot spots | Reuters, Rubio is in Uzbekistan to promote US ties and trade with Central Asia