President Joe Biden announced Tuesday that Israel and Lebanon have agreed to a deal brokered by the U.S. "to end the devastating conflict between Israel and Hezbollah."

Back then, Syrian rebels were closing in on the regime’s strongholds, even as Assad leaned heavily on Iran and Hezbollah for support in the years prior. Moscow’s intervention turned the tide, culminating in the recapture of the largest Syrian city of Aleppo and a fragile stability that has largely held since.