What does the 13th amendment outlaw in the unites states?

Which techniques best describe the tone the author is using in this passage?

An effective thesis statement will reflect . . 1) possible weaknesses in your own argument. 2) possible weaknesses in your opponent's argument. 3) the type of document--or genre--you plan to write. 4) your attitudes about aquatic mammals

You are moving out of town and you are planning to sell your recently bought bicycle. draft a classified advertisement including the description of the bicycle, cost and other necessary details. about 50 words.