Ethiopia is located close to the trade routes of different and important nations such as Persia, Iemen and India. Being in contact with different kinds of culture and religion helped mold Ethiopia through the centuries.
That would be something called a decision-making grid.
The decision-making greed is a useful tool for making the best decisions especially in the financial matters. It can help you visually see what are the best options and the pros and cons of those options. For example, the decision making grid could help you see which choice would you choose on the basis of its cost.
B). a desire for a better access to spices.