Answer:
lexington and concord
Explanation:
they were the first military engagements
Because the more you spread out the power, the less one person has. Therefore, the more people that have power, the tyrant will have less power.
Answer:
I learned this not too long ago too!
I think the answer you are looking for is parallax. Hipparchus used parallax to not only measure the distance from the sun, but also the moon. Although he was off my a couple hundred yards or so he actually measured the moon before the sun.