During the late 19th and early 20th centuries, the United States expanded its influence internationally, particularly in the Caribbean and the Pacific. Major events of this time include the annexation of Hawaii in 1898, the Spanish-American War, and the subsequent acquisition of territories such as Puerto Rico, Guam, and the Philippines. This expansionism was often justified through concepts such as Manifest Destiny and the belief in the superiority of American civilization.
Which of the following developments most directly resulted from this period of American imperialism?