The Border States (Maryland, Kentucky, Missouri, Delaware) were
- A
Confederate states that seceded with the Deep South in early 1861
- B
Federal Native American territories with no formal connection to the Union
- C
Free states whose abolitionist legislatures had banned slavery decades earlier
- Dcheck_circle
Slave states that did NOT secede; Lincoln worked carefully to keep them in the Union
Explanation
Lincoln's caution on emancipation early in the war reflected concern about losing them.