Final answer:
The Alexander Mosaic is artistically important for its depiction of motion, intensity, and the dramatic narrative of the Battle of Issus, as well as portraying the glory of Alexander the Great with lifelike detail and perspective.
Step-by-step explanation:
The Alexander Mosaic from the House of Faun in Pompeii holds significant artistic importance due to several factors. Firstly, the mosaic captures the motion and intensity of the Battle of Issus with a remarkable sense of detail and perspective, effectively conveying the chaos and dynamism of warfare. Secondly, it dramatically unfolds the narrative, allowing viewers to witness the unfolding drama and tension between Alexander the Great and King Darius III. Lastly, the mosaic highlights the glory of Alexander the Great, not only through the depiction of his calm and focused demeanor in the heat of battle but also through the use of shading and light to give depth and volume to the figures, contributing to a realistic and three-dimensional portrayal of the event.