Why were Delaware, Maryland, Kentucky, and Missouri considered border states during the Civil War?
a. because they had boundaries on the ocean
b. because they were slave states that didn't secede
c. because they were free states that seceded
d. because they were free states next to slave states

Respuesta :

The reason why Delaware, Maryland, Kentucky, and Missouri were considered border states during the Civil War is "b. because they were slave states that didn't secede" from the Union, since these were vital states to "win over" for the Union to win the war. 
B.   They were slave states that did not seceded.