D, insight.
Perspective is simply a fancy word for viewpoint, so when we are talking about an author's viewpoint, it wouldn't be said as bias, prejudice, or objectivity. Yes, depending on the content of course, but in general, when it comes to perspective, it'd also would be called insight.
Since the definite article is "the", the only sentence that has it is B, thus that is the correct answer.
Answer
To inform readers about George Washington’s legacy as the first president of the United States
Explanation:
I want to say susan. i appologize if it's wrong.
THE ANDWER IS D
BECAUEE WDJDJHD