evidence: The middle school standards approved by the Florida state education board say students should learn about "skills" learned by slaves that could be "applied for their personal benefit." Several historians who have studied slavery cast doubt on this lesson’s educational value. [...] "They push forward revisionist history," Harris said July 20 at a national convention of Delta Sigma Theta Sorority Inc. "Just yesterday, in the state of Florida, they decided middle school students will be taught that enslaved people benefited from slavery. They insult us in an attempt to gaslight us, and we will not stand for it — we who share a collective experience in knowing we must honor history and our duty in the context of legacy." [...] Harris said Florida "decided middle school students will be taught that enslaved people benefited from slavery."