Sunny only achieved all of the following except what he strengthened songhai and a territory he conquered the wealthy trade cities of the zheng and tabuka he conquered the areas around the nile river he promoted peace in both muslim and traditional african religions

Sunni Ali was the first king of the Songhai empire in Africa; he ruled from 1464 till 1492. Under Sunni’s rule many cities were captured due to his strong infantry and cavalry.  

Question: Sunny only achieved all of the following except what

he conquered the wealthy trade cities of the Zheng and tabuka

it's no easy i swear it's hard