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.
C. They taught them how to make iron stronger.
Justification: I have studied this in my Elementary years. I had this same question on a test, and I got it correct.
Hope I helped! Thanks for posting your question! :)
Emancipation Proclamation by Abraham Lincoln
I believe the European nation that controlled Indochina during 1908 was France. They colonized Indochina (Vietnam) in the mid 1800s.
Hope this helps! Please let me know if I'm wrong :)