I cant decide between B and D i think it might be B
The name of the first book was called ( A Study in Scarlet.)
What I do, is I take notes, and then I rewrite them. I rewrite them at least 5 times. Even though it makes your hands hurt, it brings me straight A's.
The correct answer is because the envelope was a stationary.
The cardboard box had more information written about the punchline, the envelope had nothing[envelope misunderstood the clue by hiring some black belt expert to punch line out, thinking it had the algebra book to do the math work.] so he lost the race and was sent back, return to the sender.
Answer:
Natural resources, more land, mercantilism...
Explanation: