All are methods of appeals
Logos: Logical appeal
Pathos: Emotional appeal
Ethos: Credibility appeal
If George W Bush were to address the people of the United States after the attack on the world trade centers, he could establish an emotional, pathos approach by giving condolences to the lives lost. Since he is the president, he acts as the spearhead to the government, acting in a professional ethos manner. Lastly he might enact a more defensive approach to military spending because the government needs to safeguard against an increase in attacks on the U.S.