You can look this up in the sparknotes website on the web. its easier than relying on someone on here
Mr. Mota, because a simple subject is person, a thing or could also be a place (BUT its the one doing the action), in this case, Who left his dog outside...? The dog is the object here so the answer is Mr. Mota
Say for example a place has a certain accent so when people are born in that place, where the people live, they will most likely also have that accent... hope this helps
https://www.enotes.com/homework-help/topic/modest-proposal - this website answers most of the questions. If this is for school or something, copy and paste the answers into Quillbot.com and it'll rephrase it so it's not plagiarism