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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Historians today consider the period preceding the Renaissance to be the Middle Ages, which effectively began with the fall of Rome in the fifth century and lasted for some eight or nine centuries. ... Following the Renaissance, the world started changing in several significant ways
Led to the creation of a two chamber congress. Also created was the House of Representative which is determined by a state's population
All the wars in his old country
