White women have been part of white supremacy in America since the very beginning, experts point out, dating back to their role in slavery. “They were at the table when the system was designed,” Stephanie Jones-Rogers, a history professor at UC Berkeley and author of the book They Were Her Property: White Women as Slave Owners in the American South, told Vox. “They were co-architects of the system.”That remained true after the Civil War, through the birth and evolution of the Ku Klux Klan, and during the civil rights movement when white women were some of the most vocal opponents...