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 reconstruction of the south made it easier for certain people to travel,work, and live from the rebuilding or railroads and/or buildings
Answer:Bush was on friendlier terms with Gorbachev, while Reagan was more confrontational.
