TOKYO — A Japanese court on Wednesday for the first time recognized people exposed to radioactive “black rain” that fell after the 1945 U.S. atomic attack on Hiroshima as atomic bomb survivors, ordering the city and the prefecture to provide the same government medical benefits as given to other survivors.The Hiroshima District Court said all 84 plaintiffs who were outside of a zone previously set by the government as where radioactive rain fell also developed radiation-induced illnesses and should be certified as atomic …