Answer:
The artist has created unity by suggesting that all the figures are in the same architectural space, which frames them, and also through their gestures and attitudes. They are all actively talking, reading, or meditating. In addition, he has created diversity by employing a significant array of colors, as well as individual and distinctive postures and expressions.
Black is certainly a colour.
Answer: I would contend that the right answer is the A) <em>Liberty Leading The People</em>.
Explanation: Just to elaborate a little on the answer, it can be added that this work by Eugène Delacroix, which he completed in 1830, is a very significant work within the context of the Romantic era, since it depicts a modern subject—specifically a civic uprising that took place in the streets of Paris in the summer of 1830 and that led to the coronation of a new king, the so-called Citizen King, Louis Philippe I—and it aims at eliciting an emotional response from the viewer through the use of color, brushwork, and composition. Delacroix witnessed this event and he felt compelled to record it visually as a way to contribute to his country.