I believe the correct answer is the last option: propagandistic
memorial.
Column of Trajan is a Roman triumphal column constructed by
the architect Apollodorus of Damascus, located in Rome, Italy, which commemorates
Roman Emperor Trajan's victory in the Dacian Wars. According to the traditional
scholarships, Column was a glorifying monument whit propagandistic function as
describes epic wars between Romans and Dacians and it also upholds Trajan as
Rome's great emperor.
