Awealthy antebellum sporting gentleman, sponsored numerous contests and promoted nationalism by developing the america's cup yacht race in 1851 and by supporting horse racing and a wealthy antebellum sporting gentleman, sponsored numerous contests and promoted nationalism by developing the america's cup yacht race in 1851 and by supporting horse racing and pedestrianism.

John Cox Stevens

Explanation:

John Cox Stevens was a leading citizen of New York in business and also a great sportsman , known for being the first commodore of the New York Yacht Club which is a private social club. He was from one of the more remarkable families in U.S. history. He used to bet large sums of money along with his brothers on horses race.

a. John Cox Stevens

b. John Cox Stevens

Explanation:

John Cox Stevens founded the New York Yacht Club, and in 1851 when won the trophy that later became America´s Cup. He also served as President of The Jockey Club, he was the pioneer of race and cricket in the United States. He encouraged enthusiasm for horse racing.

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