The answer would be Logos. This is a kind of appeal to reason or logic. When using this kind of appeal, it uses facts and evidence to persuade a the listener of the strength of your argument. This is different from pathos, which is an appeal to the emotions, whereas, ethos, from its word, uses ethics or credibility of the person making the argument.
Answer: Its the third option The United States Colored Troops Regiments
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Messages were sent by an electrical telegraph operator or telegrapher using Morse code.
Due to public pressure and timely diplomatic impositions, he was forced to relinquish the Congo.
Your answer is: Because President Roosevelt
granted the navy permission for U.S. warships to attack German U-boats in self defense.