In this week's quiz, the leak of more than 11 million confidential documents, nicknamed the "Panama papers," provided details of how a Panamanian law firm helped its wealthy clientele create shell companies. And scholars returned to a site formerly held by the Islamic State militant group. Take our 5-minute quiz about these world events and more.
How well do you know the world: Tax havens ahead of tax day
World
Apr 8, 2016 9:41 AM EDT