Philosophy would be the answer :)
Answer:
hellobthere in this case i will tell you later when i know the real answer i dont like giving answers which am not sure of
C: Direct democracy
it is direct democracy, because the people directly votes for the law (not the vote for a state legislator), and it is based on everyone's belief
hope this helps
The correct answer is that groups of people may be classified in a reasonable way.
This is only for things like statistical data when doing the decennial census or anything similar.