Explanation:
Topper is an archaeological site located along the Savannah River in Allendale County, South Carolina, United States. It is noted as a location of artifacts which some archaeologists believe to indicate human habitation of the New World earlier than the Clovis culture.
They had to rebuild due to thenukelar bomb america droped on them
Because it could roll over bombed out landscapes and keep penetrating the opposing force. Hope that helped! ;)
C the growth of support and segregation