To be honest, it's not straightforward to determine if the Fagan story is completely true. There are often multiple perspectives and interpretations that make it a complex matter to assess.
The story of Michael Fagan is quite remarkable. He was an ordinary man who somehow managed to penetrate the security of Buckingham Palace. This incident sent shockwaves through the security establishment. The fact that he got all the way to the Queen's bedroom was a huge embarrassment. It led to a re - evaluation of the security measures in place to protect the royal family.
If we consider the general 'Elizabeth story', Elizabeth is likely the central figure. Her significance could be that she drives the plot forward. For example, if it's a story of her journey, her decisions and actions would be what the story is built around.
In 'Hanging Elizabeth Reed A Ghost Story', Elizabeth Reed is likely the victim or the main character. Given that she is associated with hanging and is part of a ghost story, she may have been a person who had a difficult life or a fateful encounter that led to her death by hanging. Her presence as a ghost would suggest that there are unresolved issues related to her life and death, and the story might revolve around uncovering these secrets.
Mr. Darcy could be one of the people who help her. He has wealth and connections, and his affection for Elizabeth might lead him to support her investment endeavors. He could offer her advice on which ventures are more likely to succeed based on his knowledge of the business world.
Another Elizabeth could be Elizabeth Bennet from 'Pride and Prejudice'. Elizabeth is a strong - willed and intelligent young woman. She has her own ideas about love and marriage, which was quite revolutionary in the society she lived in. Her relationship with Mr. Darcy is a complex and evolving one, filled with misunderstandings at first but eventually leading to true love.