It was the seventh day of track and field events at the Olympics.
The American team was likely to win gold medals in the men's shot put, the men's 400m hurdles, the women's 400m hurdles, the men's decathlon, and the men's 200m dash. Additionally, the preliminary round of the 4x100m relay race was also held this day.
Considering the strength of American team, as long as they didn't drop the relay baton, they'd get through this preliminary round easily.
Actually, Dai Li was known for his practice he called continuous iron chain, which strengthened the cooperation of players on a team. Dai Li use this to successfully help the national team win the championship of the 4x100m relay race in the Asian Games.
With the aid of the continuous iron chain, the American players cooperated with each other very well and successfully advanced to the final.
After the end of the relay race, the day's first track and field final took place, the men's 400m hurdles.
