Which is the best explanation of great zimbabwe's rise to power?

a) zimbabwe’s military was stronger than others in the region

b) zimbabwe controlled the region's ivory and gold trade

c) fish from zimbabwe were a staple food of east african people

d) zimbabwe was a highly productive agricultural society

B) Zimbabwe controlled the region's ivory and gold trade

Explanation:

The city was a mayor trade center during its prime, facilitated by its control of gold and ivory sources of the region, amassing wealth, prestige and power that came along with population growth. The Influence of the city grew along with trade, reaching as far as Arabia and China.