True/False Indicate whether the statement is true or false.
19. Early Chinese civilizations probably did not have social classes.
20. Military technology advanced in the Shang period.
21. Land ownership was an important part of Zhou politics.

19;false 20;true 21;true

Explanation:

the

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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