Answer:
Archaeology
Explanation:
Archaeology is the study of the remains of the past and also the physical features of the environment. Therefore the answer is archaeology :)
One way in which the Kingdom of Ghana facilitated the gold trade was by trading gold with slaves and other workers. Most of the trading was done with other African nations but some with Europeans.
You will have to look at whether or not the creator of the source had a really positive or negative outlook on the situation.
If they are -for example- great friends with a bully, they will not tell as much of the truth, but if they are enemies, they may tell a very exaggerated truth to get them in trouble.
You must look for a very neutral feeling on both sides of the matter. If the author has an opinion, more likely than not it will affect the way they share the information
