How do the American people benefit MOST from public-interest groups?

the structure was most likely used for;

c. playing a ball game with stone hoops

i believe that d is the right answer

but equal

explanation:

plessy v. ferguson (1896) is an important us supreme court decision that kept racial segregation based on "separate but equal". however, these racially segregated trains and places were not actually equal. plessy v. ferguson (1896) was finally overturned by brown v. board of education in 1954.