Original: The U.S. government obtained a 99-year lease that began on February 23, 1903, from Tomás Estrada Palma, a Cuban-born citizen, who became the first President of Cuba.
Simplified: This treaty was made by Tomás Estrada Palma, an American citizen, who became the first President of Cuba. The U.S. government obtained a perpetual lease that began on February 23, 1903.