Slavery played a major role in America’s development, but a new study shows students don’t know much about it. One recent textbook referred to enslaved people as ‘workers’ … which suggests some schools still struggle to teach this topic. It’s hard history, but is there an easy fix? And what’s at stake if it’s not figured out? | Want to help us improve? Share your thoughts at npr.org/podcastsurvey. Want to support 1A? Subscribe to our podcast and give to your local public radio station at donate.npr.org/1A. Email the show at 1a@wamu.org.