Bessent is seeking to reshape the G20 agenda, with Washington pushing for reduced trade imbalances, stronger economic growth, deregulation and greater private-sector activity.
The Iran conflict and US tariff policies threaten to deepen divisions, as higher energy prices and trade uncertainty weigh on economies across the G20.
Rising US debt and bond yields add another challenge for Washington, with US public debt crossing $40 trillion and 30-year Treasury yields reaching their highest levels in nearly two decades.