How did the Huang River civilization develop differently from other river valley civilizations?
A. Its trade with India brought it goods as well as new ideas.
B. Its mining industry allowed it to create iron weapons and tools.
C. Its location limited its contact with other advanced cultures.
D. Its armies helped it expand through conquest.
Answer is C. It’s the best option, since a system of boundaries made it inadvantageous for people to both come and go from the territory. (answer from somebody else that had the same question and got this answer)
