Why has Puerto Rico never become either independent or an incorporated state of the United States of America?

Seminar paper from the year 2020 in the subject Politics - Region: USA, grade: 1,7, University of Marburg (Politikwissenschaft), course: American Military Interventions Abroad, language: English, abstract: The research question of this work is "Why has Puerto Rico never become either independent or an incorporated state of the United States of America?" and focuses on making visible the reasons fo...