High-end development has transformed some Black neighborhoods decades after they were scarred by unrest. And not by coincidence. : High-end development has transformed some Black neighborhoods decades after they were scarred by unrest. And not by coincidence. H Street NE in Washington during riots after the assassination of the Rev. Dr. Martin Luther King Jr. in 1968.Credit...Matthew Lewis/The Washington Post, via Getty Images WASHINGTON — At the corner of 14th and U Streets Northwest, where the anger first simmered in what became Washington’s devastating 1968 riots, the going rent for a one-bedroom today is about $2,500 a month.