June 19 Juneteenth is a federal holiday in the U.S. commemorating the emancipation of enslaved African Americans, referencing June 19, 1865. Republicans want to limit teaching why it's a holiday. They don't like schools teaching about the history of racism.
CRT critical race theory is the concept that racism is a social construct, something embedded in legal systems and policies. affecting banking, political power, social organization, and language. If white supremacy exists and maintains power through the law, then it is possible to transform the relationship between law and racial power. Conservative Republicans are critics of CRT.