Complex sentence: Gen. Juan Rius Rivera fell gravely injured and was transported to the hospital of San Ambrosio in Havana, and later deported to Castillo Presidio de Monjuich in Barcelona, Spain, which he spent until the end of the war with the intervention of the United States.
Split into simpler sentences: Gen. Juan Rius Rivera fell gravely injured and was transported to the hospital of San Ambrosio in Havana, and later deported to Castillo presidio de Monjuich, Barcelona, Spain. Which he spent until the end of the war with the intervention of the United States.