Will give brainliest and I don't care 'bout my coins!!!
How did the Huang River civilization develop differently from other river valley civilizations?
Its trade with India brought it goods as well as new ideas.
Its mining industry allowed it to create iron weapons and tools.
Its location limited its contact with other advanced cultures.
Its armies helped it expand through conquest.

It's location helped limit it from other cultures

Explanation: The Huang River civilization was further progressive as well as advanced as compared to other contemporary civilizations across the world. The Huang River civilization was also called "the precocious civilization." The had a system of boundaries that made it really difficult for people to both come and go from the territory.

the answer is a) high entry costs

(d) take jobs from american workers.