What could a stele from a monument represent about the
kingdom of Axum?

The artists carved false doors, windows, and structural beams across the impressive stele, which was just one of many carved around the 4th century. Originally, they were likely meant to mark important grave sites, and they may have been influenced by the introduction of Christianity to the city in that same timeframe.It ruled the South Arabia of Yemen for half a century in the 6th century. The Aksumites erected monumental stelae, which served a religious purpose in pre-Christian times. One of these granite columns is the largest such structure in the world, at 90 feet. Under Ezana (fl. 320–360) Aksum adopted Christianity.

Explanation:

c. businesses/firms & government

the answer is a. harriet tubman was a nurse on the battlefield.