ethos
pathos
pathos
The most convincing speeches will appeal to pathos, logos, and ethos. These are appeals to emotion, logic, and credibility, respectively.
I don't know which speech you are referring to, since he gave a number of them during his time as president. All good speeches, especially state of the union and inaugural addresses, tend to include all three of these elements. If you can tell us which speech you are asking about, we can give you a better answer.
A LOT of ethos was present because it was a speech about his dreams for rights for African Americans, but their was some pathos there.
Antony appeals primarily to pathos in his speech at Caesar's funeral by using emotional language, appealing to the audience's emotions, and evoking sympathy and compassion for Caesar. He also uses some elements of ethos by establishing his credibility and authority as a trusted friend of Caesar.
Logos.
Pathos
Ethos
Pathos refers to the emotional appeal in a piece of writing or speech that aims to evoke feelings of sympathy, pity, or empathy in the audience. For example, "The writer's use of pathos in their speech moved the audience to tears."
pathos
a sea of peace or a new terrifying theater of war