John Calvin was a French theologian, creator of Kalvinism and the Protestant reforms.
After Calvin was in Geneva for the second time in 1539, Calvinism began to flow and his disciples began to listen to him.
They began to implement their ideas since in Geneva it became the first school of preparation of leaders of Calvinism in 1559. until reaching 1600 people there expanded to Scotland and France to the point that CALVINISM came to have more than 3 million people
The kingdom was rich in gold and other minerals such as iron, following the decline of Meroe.In addition, the kingdom naval power necessitated it to offer ferry services for goods to and from Rome and India. the kingdom more also had a very good harbor at Idris.
B .international trade along the east africa coast led to intermarriages,introduction of new products,money economy,architecture and rise of new people such as the Swahili
Can you reupload the question with an attachment of the picture of the graph?
The answer is A. They had an alliance called the blank check with them