It is the opposing thought as to why one side is wrong.
The document is called the Declaration of Independence. It's quite a famous piece, and I encourage you to learn more about it! :)
It might be said that this picture shows that Leonardo Da Vinci used a realistic style based on human figures.
This might be characterized by the lighting, the linear and atmospheric perspective, the anatomy, etc
It seems that Renaissance painters rendered the human anatomy with precision, but he was a step forward because of the earlier anatomical drawings.
