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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Because they had no influence over the budget and military.
In Hamilton's words that would be "no influence ever either the sword or the purse". He argued that because of this the judiciary would be the least threatening branch of the government and that it had to rely on both other branches to uphold its rulings and decisions. In Federalist No. 78 he also states what powers and responsibilities the judicial branch would have.
