Why were spirituals such as Go down, Moses a threat to slaveowners?

They carried coded messages.

Explanation:

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The statements given is a form of appeal to the audience with pathos, which is an appeal based on emotion.

Explanation:

The president is giving the speech to make the appeal to the people and the audience of which he has already given the announcement in an official manner on a specific date. He gives the reasons of why the actions must be taken on the basis of the appeal. Both emotion and reason is associated with the appeal.