Final answer:
Peale adds a wooden step to create the illusion of a real space in his portrait of Raphaelle Peale and Titian Ramsay Peale.
Step-by-step explanation:
In his portrait of Raphaelle Peale and Titian Ramsay Peale, Peale adds a wooden step to create the illusion of a real space. The inclusion of the wooden step provides a visual cue that the figures are standing in a three-dimensional environment. It helps to anchor the subjects in a physical space and adds depth to the overall composition.
Learn more about Peale's portrait of Raphaelle Peale and Titian Ramsay Peale