Final answer:
The Column of Trajan was built as a war memorial to celebrate Rome's victory, honor Emperor Trajan and document the Roman army's successes. It features a spiral frieze with detailed carvings representing the military campaigns.
Step-by-step explanation:
The Column of Trajan was built in 113 CE as a war memorial to celebrate Rome's victory in the Dacian Wars and honor Emperor Trajan. The column is 35 meters tall and features a spiral frieze depicting the two wars and 2350 detailed figures carved in low relief. The carvings served to document the Roman army and its successes, providing a complete visual record of the military campaigns. The column also served as a way to commemorate history by showcasing Roman construction techniques and impressing the public with the empire's achievements.