Final answer:
The existence of intricate pottery, abundance of religious monuments, and trade connections indicate that Great Zimbabwe was a great commercial center.
Step-by-step explanation:
The evidence suggesting that Great Zimbabwe was a great commercial center includes:
- Archaeological finds of intricate pottery.
- Abundance of religious monuments.
- Trade connections with various regions around the Indian Ocean, including China.
These findings indicate that Great Zimbabwe was not only a fortress but also a thriving trading hub, engaged in exchanging goods such as ivory and gold with other civilizations. The presence of intricate pottery shows skilled craftsmanship, while the religious monuments suggest a prosperous and communal society.