Warning that Islamic extremists want to impose fundamentalist religious rule in American communities, right-wing lawmakers in dozens of U.S. states have tried banning Sharia, an Arabic term often understood to mean Islamic law. These political debates – which cite terrorism and political violence in the Middle East to argue that Islam is incompatible with modern society – reinforce stereotypes that the Muslim world is uncivilized. They also reflect ignorance of Sharia, which is not a strict legal code. Sharia means “path” or “way”: It is a broad set of values and ethical principles drawn from the Quran – Islam’s holy book – and the life of the Prophet Muhammad. As such, different people and governments may interpret Sharia differently. Still, this is not the first time that the world has tried to figure out where Sharia fits into the global order. In the 1950s and 1960s, when Great Britain, France and other European powers relinquished their colonies in the Middle East, Africa and Asia...