Answer:
D. increased African American voter registration rates
Step-by-step explanation:
The National Association for the Advancement of Colored People was created to provide assistance for racial minorities in United States who blatantly received inferior treatment from the laws and other people in society.
During the earlier formation of the NAACP, the number of African American voter in registration rates wasn't on the increase. They're actually pretty low.
NAACP believed that his low voter registration rates would create a huge damages to African American communities since they won't be able to elect a government representatives who will fight for their behalf.