https://newsone.com/2764192/the-nations-report-card-draws-academic-mason-dixon-line/
Results from the 2013 National Assessment of Educational Progress (NAEP) showed incremental growth in both reading and math.
mason dixon linenational reportcarddrawsacademic
https://www.wearethemighty.com/articles/this-colonial-border-dispute-lead-to-the-creation-of-the-mason-dixon-line/
The Mason-Dixon Line in the 1820s was used by people to distinguish states where slavery was legal and states where it was not.
mason dixon linecreated