what were the slave state that did not secede and join the confederancy
Missouri, Kentucky, West Virginia, Maryland and Delaware
Lincoln arrested state leaders who wanted to secede.
They were not in favor of succeeding
The Border States were a key part of the US Civil War. They were slave states that did not join the Confederacy, it was important for the Union to prevent that they did not secede and join the South.
1861
There was a chance that it would join the Confederacy, because it was a deeply divided state, and its leaders were Southern sympathisers. Lincoln acted promptly (and illegally) to jail those leaders, and the danger of a Confederate state surrounding Washington was averted.
A few states valued their membership in the United States of America more than their 'right' to slavery. These states were Delaware, Kentucky, and Missouri. The state of Maryland was prepared to secede but was prevented by federal troops dispatched to their capital. Washington, DC, while not a state, did permit slavery and did not attempt to join the Confederacy.
Because Lincoln had jailed its pro-Confederate leaders.
Kentucky, Missouri, Maryland, Delaware.
11
No, a county cannot secede from one state and join another state without the approval of both states and the U.S. Congress.