California. it was not part of the union.
NEW RESPONDENT.
It should be Kansas, because it immediately sided with Union.
California was part of the Union, because it had already been admitted to the Union on Sept. 9, 1850.
no states
There are 3 states along the eastern border of New York State. They are Massachusetts, Vermont and Connecticut.
Alaska and Hawaii do not border any other state.
the state that shares a border with Russia
At the beginning of the US Civil War, the "southern" border States were Kentucky and Missouri. In this answer, Maryland is excluded in that although it was a pro=southern slave State, it cannot be considered a border State.
Missouri and Tennessee border eight states, the most of any.
Every state borders another except Alaska and Hawaii. Alaska does, however, border Canada; while Hawaii is an island. The continental state with the least borders is Maine, at one state, while the states with the most border states are Missouri and Tennessee, at eight states.
Delaware (perhaps the most overlooked border state), Kentucky, Maryland and Missouri were the border states that did not secede from the Union.
No US States have a border with the country of France.
In the Border States the percentages of slaves was that of 14,25%.
Alaska and Hawaii are the only two states that do not border other US states.
Alaska and Hawaii are the only two states that do not border other US states.