yeah they are brand names I think but what is the question?
Answer:
In literature, symbolism is used to produce an impact, which it accomplishes by attaching additional meaning to an action, object, or name. Symbolism takes something that is usually concrete and associates or affixes it to something else in order to give it a new and more significant meaning.
Explanation:
The answer is D. They formed trading posts along the Mississippi River.
I'm pretty sure the answer is C. but I could be wrong but it seems the most logical to me.