What is geographic feature?

Geographic features are naturally-created features of the Earth. Natural geographical features consist of landforms and ecosystems. For example, terrain types are natural geographical features.

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.

it would be d). more resources must be obtained to attain that combination of goods and services