What factors led to changes in the policy ?

public opinion, economic conditions, new scientific discoveries, technological change, interest groups, Associations of individuals or of organizations that form to advance a common political, economic, or social agenda., nongovernmental organizations.

Explanation:

answer; /// i believe that the correct answer is (d)the huang he river valley;

1.the 80s' fashion for men was like a mixed bag that had skinny tights, leather pants, and jackets, parachute pants (or hammer pants), leg warmers, very short shorts, ripped and stone-washed denims, frilly puff-sleeved shirts, oddly striped shirts, skinny neck ties, hawaiian shirts, jams, nylon tracksuits in neon colors.

2.

3.colored tvs, malls, telephones

explanation:

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