There were four slave-states of the Upper South that narrowly voted to stay loyal - Kentucky, Missouri, Maryland, Delaware.
District of Columbia also practised slavery in the first year of the war.
The Western counties of Virginia broke away from Virginia and the Confederacy, to form their own (Union) state of West Virginia in 1863. There was still some slavery there until it was eventually banned nationwide.
tennesee
South Carolina
They claimed that the USA had started as a voluntary federation of states, and that any of them could leave when they chose.
Yes, Mississippi was the second to secede.
South Carolina seceded on December 20th 1860.
No, Texas was the 7th to leave the Union, Tennessee was the 10th.
Yes
tennesee
South Carolina
North Carolina did not "refuse to join the Union." The state joined the Union in 1789, becoming the 12th state to accede to the Constitution. The state attempted to leave the Union with a secession vote in 1861 because President Lincoln called upon the state to invade South Carolina, already a member of the Confederacy. The attempt to leave the Union failed as a result of Union military victory.
South Carolina
The answer to your question is "secede."
General Robert E. Lee
They claimed that the USA had started as a voluntary federation of states, and that any of them could leave when they chose.
South Carolina
South Carolina
South Carolina