The main purpose was to make Americans mad and want to go to war with the Germans because the where " monsters " it's called yellow journalism and it was in this case mainly used to make people hate germany and want to go to war
Answer: The correct answer is : The main message was to fully blame Germany for having committed war crimes.
Explanation: The Committee of Public Information was created, which consisted of the Secretary of State, the Secretary of War and the Secretary of the Navy, who filled the United States with propaganda against Germany, saying that it was a savage country that wanted to dominate and subjugate the whole world They exaggerated and manipulated the information until they achieved their goal. The German-Americans began to be persecuted for which many Americanizing their names, some secondary schools abandoned the German courses, all the German words commonly used in the United States were eliminated, all German books were burned and Beethoven was banned in several state.
Some think it was called this because of how the skin turned dark at the late stages of the disease, but it was more likely called "Black" to reflect the dark and horrible time in history.