Answer:
This is an amazing start to an essay but make sure to add proper grammatical punctuation and such. I recommend using grammarly to help you.
A. A couple more examples of correct colon usage~ There was one problem: he had no money. A startling thought cross her mind: maybe she was doomed by fate.
I believe it’s a complex sentence.
Answer: The right answer is the A) Explain the use of invisible ink during the American Revolution.
Explanation: Just to elaborate a little on the answer, it can be added that options C and D should be discarded as invalid, since the excerpt is not meant to teach contemporary readers how to create secret documents using common chemicals and, although it does mention Major Andre and it tells an interesting story about what he did as intelligence officer during the American Revolutionary War, it also provides a brief historical account of the use of invisible ink. In addition, option B is also wrong, since the spying tactics that are mentioned in the excerpt were indeed successful. The excerpt reflects upon the use of invisible ink by British agents, such as Major Andre, during the American Revolution, and the strategies that they employed in order to identify the various types of inks.