Answer:
respectful
This passage does not seem optimistic, and is not proud and humorous. (this is from courseware, right?)
When you present a speech, just be calm, use enthusiasim, and just be yourself. If you laugh of smile when you look at other people or your friends, then just look at the back wall.
Hope this helps!!
The Pony Express linked east and west, being the first rapid transit and the first mail line in the entire continent. It also marked the highest development of land travel before the arrival of the Pacific Railroad. It was an achievement of physical resistance of man and horse.
This kind of seems like a personal question...
