C is the correct answer I think.
Hope this helps!!!
Answer:
The broad topic would be Communication Through the Ages. Early Kingdoms narrows it down to West Africa. A short research project could give you the info you need on USGrant. The Mid Atlantic States are such a small portion that when you study colonization, it can be narrowed down to each colony. Communiciation Through the Ages - is just that - a long time and a very broad subject. From when to when?
Explanation:
It would take a while to research all the different types of communication - and is it narrowed down to technology or can it go back even to the stone age and how people drew pictures to communicate???
