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.
The correct answer is <span>C. Even a period of only a few decades can greatly change the historical context surrounding an event.
It showed how fast the public opinion can change. Originally Panamanians were supportive of the canal and the policies regarding it in relations to the United States, but very soon they started disagreeing with them and wanting the United States to give the canal ownership and control back to Panama who wanted to remove itself from relations with the US.</span>
Answer:
it assured freedom to African American's
Answer:
Emancipation Proclamation