Answer:
Correct answer is the women taking government roles and Zagwe Dynasty
Step-by-step explanation:
The Crusades are not achievement of African civilization, because they were started on the European continent by the Pope.
Islam is also wrong answer, as the cradle of Islam is on the Arabian Peninsula.
Women taking governmental role is a correct answer, as already in Ancient Egypt we have this example. We will just mention Hatshepsut. She was the pharaoh of the 18th Dynasty.
The Zagwe Dynasty is also a correct answer as it was a medieval dynasty in today's Ethiopia.