In 1903, he was able to convince the American government that the Isle of Pines had been part of the Cuban territory since 1511, and on March 2, 1904, he signed the Hay-Quesada Treaty.
In 1903, he convinced the American government that the Isle of Pines was a part of Cuba's territory since 1511, and on March 2, 1904, he signed the Hay-Quesada Treaty.