The main reason why history is open to ongoing and changing interpretations is because new facts are always being discovered about the past, which allows people to change their opinions regarding how things happened throughout history.
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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Answer:
The number of helots in relation to Spartan citizens varied throughout the history of the Spartan state; according to Herodotus, there were seven helots for each Spartan at the time of the Battle of Plataea in 479 BC. Thus the need to keep helot population in check and prevent rebellion was one of the main concerns of the Spartans. Helots were ritually mistreated, humiliated and even slaughtered: every autumn the Spartans would declare war on the helots so they could be killed by a member of the Crypteia without fear of religious repercussion. Uprisings and attempts to improve the lot of the helots did occur, such as the Conspiracy of Cinadon.
Explanation:
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To explore the land that the United States bought through the Louisiana Purchase