Before revision: The island became and American overseas territory through the Treaty of Paris, starting under a military governmentfrom 1898 to 1900 and continuing under an insular government from 1900 to 1952, which oversaw the establishment of a civil government and American nationality through the Foraker Act of 1900, and the expansion of the civil government and the establishment of American citizenship through the Jones-Sheffield Act of 1917.
After revision: The island became and American overseas territory through the Treaty of Paris, starting under a military government from 1898 to 1900 and continuing under an insular government from 1900 to 1952, which oversaw the establishment of a civil government and American nationality through the Foraker Act of 1900, and the expansion of the civil government and the establishment of American citizenship through the Jones-Sheffield Act of 1917.