The United States has a mixed economy, as do most modern countries. In a purely capitalist system, the stamp’s price would have reflected the difference in cost of delivery. New York’s Democratic Socialist mayor, Zohran Mamdani, says he’s another FDR. But FDR said, “No one in the United States believes more firmly than I in the system of private business, private property and private profit.” In addition to the shock of a massive influx of people from very different cultures, Swedes rebelled at the impoverished newcomers’ claims on its social programs.