 Complete the following phrase:  The race dates back to when it was a Formula One World Championship event held on the Detroit street circuit encompassing the Renaissance Center. The original circuit was with seventeen corners and proved to be even slower than Monaco. The rough, demanding course included a railroad track crossing and mimicked Monaco, with a tunnel on the main straight. While officially the Detroit Grand Prix, it was referred to as the United States Grand Prix East because there were multiple Grand Prix races in the U.S. at the time. By the time of the 