Turkey’s foreign alignment shifted when Saudi-backed US policy solidified

Evidence

But as the Saudi position gained traction in Washington, Turkey changed its orientation too. The Free Syrian Army, the armed rebel group originally formed of defectors from the Syrian Army committed to overthrowing Assad (that received Saudi funding and later, US support), was founded on Turkish soil in July 2011. Turkey had provided active assistance to the NATO operation against Gaddafi in Libya, after a lot of hand-wringing and indecision. — Vincent Bevins, If We Burn, 339