Central powers: (WW1)
Germany, Austria-Hungary, and Turkey
Axis Powers: (WW2)
Germany, Italy, and Japan
My teach told me as well put the central powers just in case.
Sorry if I am wrong.
Palko involved restricting incorporation of the Bill of Rights on the state level. In contrast, Duncan resulted in an expansion of incorporation when the conviction was overturned due to the lack of a jury trial. Your welcome hope this helped.
He wanted to end slavery at the same time