This slavery and Civil War unit is rich in living literature. It also offers several fun project ideas so your children can "show what they know" at the end of the unit. Also a link to their trip to the Cincy museum
Frederick Douglass, Non-Fiction Activity to use for ANY Novel with Slavery Theme
Historical Events - Middle School History Geography Worksheets: The Missouri Compromise. I am not completely sure yet, but I would try to tie this activity into math. This would be great for teaching ratios and percentages.