A Mayan stele would most likely contain

Maya stelae (singular stela) are monuments that were fashioned by the Maya civilization of ancient Mesoamerica. They consist of tall, sculpted stone shafts and are often associated with low circular stones referred to as altars, although their actual function is uncertain.

Explanation:

I really hope this helps. If not I'm really sorry.

d.prevent the spread of communism outside of eastern europe.