"The South certainly won the textbook war..."
A bunch of stuff I didn't know.
>> These editions reinforced a Lost Cause narrative for Southern audiences. For example, they depicted enslaved people as happy and content. Officials even counted the textbook lines to make sure authors had mentioned Jefferson Davis or Robert E. Lee as many times as Abraham Lincoln or Ulysses S. Grant.
https://www.futurity.org/civil-war-history-education-2594482/