The first sentence.
The paragraph is talking about how a hot dog got it's name, and that's basically what The first sentence says
Hope I helped
Speaker compares the sunlight on the buildings to the light that shines on the countryside, and he seems surprised to feel more at peace in the bustling city than he has anywhere else.
Well I can't see the letter however there is many things that need to be done before sending a letter. Like signing it or writing who it's getting sent too. Those are the two biggest things to look at before sending a letter. Spelling errors as well, depending on who the letter is being sent to.