The answer you will be looking for is D. I hope this answer helps. :-)
The code noir was the edict concerning the African american slaves in Louisiana. i don't know of the top of my head why it didn't work on Haiti, so i'm am sorry i did not fully answer question (but i answered half! :D )
Causes: Renaissance encouraged curiosity, investigation, discovery, modern day knowledge. Caused people to question old beliefs. During the era of the Scientific Revolution, people began using experiments and mathematics to understand mysteries. Effects: New discoveries were made, old beliefs began to be proven wrong.
Chine borders North Vietnam