What likely caused the fifteenth-century decline of great zimbabwe?
a. high mortality rates owing to diseases brought by arab traders

b. agriculturally unproductive land

c. exhausted goldmines

d. corrupt rulers

The correct answer of the given question above would be the second option, option B, AGRICULTURALLY UNPRODUCTIVE LAND. What most likely caused the fifteenth-century decline of Great Zimbabwe is the agriculturally unproductive land. Hope this answer helps. Thanks for posting your question.