Determine what types of information you have. Such as characters or numbers, you decide what information is associated with what. You take groups of related information and organize them into records with a field for each piece of information. Then simply process them until you have a database.
Answer:
I believe it is 3. to help the reader remember how each formation grows. let me know if I'm wrong.
African Americans and Muslims
I think its D, but it might also be A.
Positive it's D tho.