They'd probably look upon us and facepalm in shame.
My ancestors fought for the North during the American Civil War and my great-grandparents were activists for the UMWA back in the 1960's (believe me, the Appalachian coalfields used to be the heart of the Blue Dog and Union Democrats back in the day) with my great-grandmother in particular vocally and actively supporting the efforts of desegregation and opposing the Jim Crow laws.
After seeing the American Left completely abandon trade unions, the working class, and civil rights for black supremacy, gender theory, and woke champagne socialism, they're probably spinning in their graves so hard that it can probably be measured on the Richter Scale