 Complete the following phrase:  The United States Grand Prix at Watkins Glen quickly became an autumnal tradition as huge crowds of knowledgeable racing fans flocked to Upstate New York each year amid the spectacular autumn colors of the region. The race was also among the most popular on the global Grand Prix calendar with the teams and drivers because its starting and prize money often exceeded those of the other races combined. The race received the Grand Prix Drivers Association award for the best organized and best staged GP of the season in 1965, 