Recent killings by U.S. officers have sparked widespread calls for police reform and an end to systemic racism. Here’s how U.S. policing compares with other countries’ approaches.

Founded as a loose confederation of states in 1945, the Arab League has struggled to overcome dysfunction and disunity among its members.

The Dodd-Frank Act is one of the most significant U.S. regulatory reforms since the Great Depression. The collapse of Silicon Valley Bank has rekindled the debate over banking regulation.

Endemic to the African tropics, the Ebola virus has killed thousands in recent years, putting the World Health Organization and major donor countries in the limelight as they’ve grappled with how to …