Why did it take nearly a century for the full effect of the Fifteenth Amendment to be felt?

Question

I can't find the passage in my textbook and I'm confused. I know what the fifteenth amendment means but not this.

Answer 1

Read the first paragraph carefully:
https://www.history.com/topics/black-history/fifteenth-amendment

Please keep this screenname or think of one that's not edgy.

Answer 2

Thanks a lot!

yeah i'll keep that in mind then

Answer 3

You're welcome … and thank you, too!

Answer 4

@Writerteacher is it B. mold?

Answer 5

Sorry I forget to say it is for art the question is.
What would be the most common cause of deterioration to a fifteenth century book?