Answer:
Chronological Order
Explanation:
This is based off of a historical event, so its important to keep the dates/time in the correct order.
1. C. Osculate is the word that does not mean hostility. Osculate is a term in mathematics.
2. B. Efface is the word that does not mean a second appearance. To efface means to erase.
3. A. Decapitate is the word derived from Latin word for "head". Capita in Latin means head.
Tone is the author's attitude toward the speech. Since we know that Dr. King was the author and presenter of the speech, this was one of inspiration, seriousness, hope, and encouraging. This is not to be confused with mood. Mood is your feelings from the text. So, while the tone may be one of hope, to say it was 'hopeful' would be a mood (if that is indeed what you are feeling when hearing it.)