Which part of the Eighth Amendment was incorporated at the state level using the Fourteenth Amendment?

Question

A.
due process

B.
equal protection

C.
rights of national citizenship

D.
protection from cruel and unusual punishment

I think its C

Answer 1

https://constitution.findlaw.com/amendment8.html

https://www.law.cornell.edu/constitution/amendmentxiv

What is Amendment 8 all about? Which part of it (or the whole of it) also appears in Amendment 14?