Well if all you need is a website to go to, then here is a great source.
http://www.aacc.nche.edu/Resources/aaccprograms/diversity/brownvboard/Pages/supremecourt.aspx
The word closest in meaning to copious is b - plentiful.
Copious is synonyms to bountiful and bountiful means abundance, plenty, overflowing and never lacking anything. The other choices are really different since all of it has the common ground in meaning which is opposite to the given word.
idk because you did not type the text
Implicit bias negatively affects oppressed populations because if it wasn’t there people would have open minds and enjoy. If they enjoy they would want to live there therefore raising the population. If you need more sentences drag it ou.