fossilized remains,bones, faces, and location( like what strata of earth remains are found). hope this helps.. ;)
The court came to the decision it was legal because of the Separate-but-Equal Doctrine. They figured that as long as the separate facilities were equal (in that one group didn't have anything better than the other group in the same type of facility) that it satisfied the 14th amendment. Kind of weird to explain, hopefully the helps a bit.
<span>In order to overcome the geographical obstacles while building the Panama Canal, engineers had to first build a dam which included designing and building locks and then remove large portions of rock and earth. During this time scientists also had to develop numerous vaccines to treat malaria that affected many workers.</span>