Answer :
These were the stelae (singular: stela), which were tall monuments in stone or wood that glorified leaders and other powerful individuals. One of the civilization known for this is the Maya Civilisation.
In honor of wealth and powerful individuals, classical civilizations have created stelae. These were monuments of carved stone or wood. One of the civilizations that made such monuments is Maya in Mesoamerica. They made high stone stelae surrounded by low relief stones, which had the function of the altar. Something similar was found in the Roman civilization, which were made of wood and intended for burial.
The answer is: C. stelae
