Final answer:
The causes of the Spanish-American War included the De Lome Letter, the assassination of José Martí, and Spanish atrocities/reconcentration camps.
Step-by-step explanation:
Causes of the Spanish-American War:
- De Lome Letter: This letter, written by a Spanish official criticizing President McKinley, heightened tensions between the two countries.
- Assassination of José Martí: The death of Martí, a Cuban nationalist leader, intensified the desire for Cuban independence.
- Spanish atrocities/Reconcentration camps: Reports of Spanish brutality in Cuba, including the use of reconcentration camps, swayed public opinion in the United States.
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