If they'd gone Confederate, it would have tilted the balance seriously in favour of the enemy.
In the case of Maryland, it would have meant that Washington DC would have been entirely surrounded by Confederate states.
yesDelaware Maryland and Kentucky border states
Missouri, Kentucky, and Maryland all border Confederate states.
Delaware, Kentucky, Maryland, missouri
Borders do not secede but states do. Kentucky, Maryland and Missouri were border states that did not secede in the union.
Maryland, Kentucky, Missouri, Delaware.the states on the border of Mexico are typically referred to as border states.
Kentucky, Maryland, Delaware, and Missouri
The Border States were Kentucky, Missouri, Maryland and Delaware.
Missouri, Kentucky and Maryland were the border states that remained in the Union.
They were border states for the Union and Confederate. Maryland was especially important because it contained the U.S. capital (Washington D.C.)
the border states in 1861 were Kentucky, Delaware, Maryland and Virginia.
Kentucky, Missouri, Maryland, Delaware.
Missouri, Kentucky,Maryland, Delaware