Answer:
Option A, the Spanish American War, is the right answer.
Step-by-step explanation:
The American term Yellow journalism is used to refer to the journalism that presented unauthentic news while printing eye-catching headlines to increase the sale of the newspaper. This kind of journalism practiced sensationalism over facts.
Pulitzer and Hearst are played a very significant role in the U.S. entry into the Spanish–American War. In order to increase the sale of their respective newspapers, they began printing sensationalist stories or misrepresentations of the terrifying conditions in Cuba.
Due to such stories both the newspapers gained popular support.