Have you ever wondered what all the beef in Syria is about? The Islamic State of Iraq and Syria, which recently claimed responsibility for the terrorist attacks in Paris, has its origins in Iraq, but the group as we know it today is in many ways a product of Syria’s civil war. That war is far bigger than ISIS, but it is crucial for understanding all that has happened in the past year, from terror attacks to the refugee crisis. And to understand the war, you need to understand how it began and how it unfolded: Watch how the Syrian civil war became the mess it is today. Shout out to Vox!