The 1976 SCCA/USAC Formula 5000 Championship was the tenth running of the Sports Car Club of America's premier open wheel racing series and the third to be co-sanctioned by the Sports Car Club of America (SCCA) and the United States Auto Club (USAC).
Question: The Formula 5000 Championship grew in popularity as a result of cosponsoring by the USAC True, False, or Neither? 