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Answer:Swordsmen' outfits and shields, tropical feathers, copal incense, paper, consumables, and animal goods were common tribute items. Calpixque, or official tribute collectors, were stationed in each of the conquered regions to guarantee that payments were made on time.
Explanation:
The answer would be D, ruled by a small group.
Limiting factor can be birth rate or death rate
The answer is B. the clock
the clock was invented hundreds of years before he was born
