Answer:
Word choice, Word order, Punctuation, and spelling
Explanation:
This would definitely be FALSE. Being able to distinguish the subjects and objects will help you to avoid confusion on which verb or pronoun to use. We always follow the rules in subject-verb agreement as well as the pronoun-antecedent rules. Knowing either the subject is plural or singular will give you an idea on what verb to use. Same goes with the antecedents and pronouns to use.
The 3rd-person omniscient narrative voice is most likely being employed here. The writing is in the 3rd person, and the narrator apparently can give access to Chad's thoughts, which suggests that the narrator is writing from a perspective that knows everything related to the story.
The US Army Corps of Engineers, they became responsible for protecting US waters with the Rivers and Harbors Act of 1899.
The last option is correct I’m pretty sure