Richard Lowe | KERA News

Richard Lowe

Allen Otto / The Texas Tribune

The shooting at a historic black church in Charleston, South Carolina, last month spurred a nationwide debate over the Confederate flag. That state removed the flag that flew over its capitol, and retailers like Amazon and Walmart have stopped carrying the rebel flag.

The debate has extended to southern states, which are now grappling with what to do with Confederate memorials. And, in Texas, there are concerns about how new textbooks will teach the Civil War.