The Spanish–American War (April 21 – August 13, 1898) was a period of armed conflict between Spain and the United States. Hostilities began in the aftermath of the internal explosion of the USS Maine in Havana Harbor in Cuba, leading to United States intervention in the Cuban War of Independence. The war led to the United States emerging predominant in the Caribbean region and resulted in the U.S. acquisition of Spain's Pacific possessions. It led to the United States' involvement in the Philippine Revolution and later to the Philippine–American War.
The main issue was Cuban independence. Revolts had been occurring for some years in Cuba against Spanish colonial rule. The United States backed these revolts upon entering the Spanish–American War. There had been war scares before, as in the Virginius Affair in 1873. But in the late 1890s, American public opinion swayed in support of the rebellion because of reports of concentration camps set up to control the populace. Yellow journalism exaggerated the atrocities to further increase public fervor and to sell more newspapers and magazines. Wikipedia
The correspondents' war; journalists in the Spanish-American War by 
Diary of a Dirty Little War by 
The Encyclopedia of the Spanish-American and Philippine-American Wars [3 Volumes] by 
The Great American-Spanish War Scenes by History of Negro Soldiers in the Spanish-American War by History of the Spanish-American war; embracing a complete review of our relations with Spain by How I carried the Message to Garcia by Letters of a Volunteer in the Spanish-American War by The Maine An Account of her Destruction in Havana Harbor by Charles D. SigsbeeMarines in the Spanish-American war, 1895-1899 : anthology and annotated bibliography by Message from the President of the United States : transmitting the report of the Naval Court of Inquiry upon the Destruction of the United States Battle Ship Maine in Havana Harbor, February 15, 1898, together with the testimony taken before the court.A Message to Garcia by Photographic History of the War with Spain by Report of the Commission Appointed by the President to Investigate the Conduct of the War Department in the War with Spain by United StatesReprint of a letter by Rev. Luke V. McCabe ... by Luke V. McCabe by 
Smoked Yankees; and the Struggle for Empire by Some Letters of Augustus Peabody Gardner by 
Theodore Roosevelt: the Rough Riders, an Autobiography by A treaty of peace between the United States and Spain by United StatesTwo Rough riders; letters from F. Allen McCurdy and J. Kirk McCurdy by War correspondence (Hispano-American war) letters from Dr. Nicholas Senn by
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