The Great Walls of Kano, ancient defensive walls, were built…
The Great Walls of Kano, ancient defensive walls, were built to protect the city from potential attacks in what century?
Explanation
This answer correctly identifies the historical event, person, or date. History helps us understand how the past shapes today.
The other options refer to different historical events or time periods. They don’t match this specific question.
Understanding this historical fact helps you see patterns in how societies develop and change.