Final answer:
Jack Dempsey was associated with the sport of boxing during the early 1900s.
Step-by-step explanation:
During the early 1900s, American professional boxer Jack Dempsey was associated with the sport of boxing. Dempsey was a highly popular figure in the boxing world and became the heavyweight champion of the world in 1919. His aggressive style and powerful punches made him a dominant force in the sport.