PLEASE HELP If you answer this correctly ill answer some of your questions you have posted! (20pts)

Diarys letters and memoirs are good examples of what

What notable contributions to science has sandia national labs (snl) produced over the years?

What does the country say concerning the status of free blacks living in the united states? a) they have the same rights as any other "free" people, and are full citizens. b) they have the same rights as any other "free" people, but are not properly citizens. c) they are citizens, but don't have the full rights granted to other citizens. d) they are not citizens, and have no right to petition the court.