The definition of the antecedent of a sentence is that if a word refers to a previous noun or pronoun in the sentence, that pronoun or noun is its antecedent. Let's eliminate some options. Looked is a verb so it cannot be. All around the room is a general space qualifier and thus this is irrelevant too (it does not refer to Samuel's room for example). Now we find the relevant part, "his shoes". The pronoun is his. Hence, we have that the antecedent is Samuel.
It is in the South.
Based on the passage, the reader can infer that the town of Brewtonton is in the South of the U.S. The fact that the Ku Klux Klan is such a problem in the town, and the fact that there is a barnyard (so they're at a farm) are pieces of support for this reasoning.
They made<span> temporary camps along the coast. They often traded</span>
To put all of your main points in one section and reiterate what you are trying to say<span />
