Answer:
Complex Calendars.
Explanation:
The Mayans were one of the first to create calendars, using observatories to take note of the stars and how they "rotated the earth". Using such, they could determine the approximate time as well as seasons.
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They help with the weapons
The answer, "1. Why does the Vatican support Indonesia? 2. What is the reciprocal of the Vatican state given by Indonesia?"
