Yellow journalism during the late 19th century was marked by

" Yellow Journalism" during the late 19th century was marked by

sensational headlines and questionable facts

Explanation:

"Yellow Journalism" as practiced by the newspapers of William Randolph Hearst and Joseph Pulitzer were largely responsible for swaying popular support of the Spanish American War

The Spanish American War

Explanation:

Claiming the Spanish had sunk a US naval destroyer in Cuba (USS Maine), and enhanced by sensational journalists (yellow journalism) the US quickly declared war

i think it’s true but i’m not sure

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