The Shang Dynasty wrote on Oracle Bones. Hope his helps ;)
The reason why the area of the City of New Orleans which is in the Delta of Great River were not flooded is because these areas are geographically covered by natural leeves of the river, these leeves are higher in elevation compared as compared to the adjacent areas, thus the flood water wouldn't have reached these high points.<span />
Answer: B. commerce
Explanation:
With the easy access to the sea it would be likely they would participate in commerce