Um... they're all "Athletics". Have Americans won medals in the sport of sitting on the couch?
Michael Phelps an American swimmer won 14 career Olympic gold medals, the most medals won by any Olympian.
None of there 13 medals were won in the same event. Rowing was the sport they won the most medals in with 5
track and field
the answer for this is gymastics
China did, the main sport that they won all the gold and silver medals for was gymnastics.
Michael Phelps has won 33 medals in the World Championships for his sport, Swimming.
Israel has won the majority of their Olympic medals in the sports of Judo and Sailing. 3 medalswere won in Judo and 3 medals were won in Sailing.
Great Britain won more medals in cycling.