Masion Dixion Line
The Union in the American Civil War represented the free states (meaning slave-free states) plus five border slave states in the north of America. The Confederate States of America (the Confederacy) comprised the eleven southern slave states which had seceded from the United States of America.
North of the 36, 30 langitude line could not be slave states
there were 12 free states and 12 slave states.
Your question incomplete. The answer is the Missouri Compromise. It did not actually decree that states to the South of the line would be slave-states. But slavery would be legal there.
Yes - along one line of latitude. It marked a clear line in the sand, and it kept the peace for thirty years.
because in the north the states were slave free
First. some of the northern states were also slave states. Second, much of the slave trade and slave ships were operated by Northerners. Finally, the north purchased tobacco and cotton that were produced by slave labor.
Lincoln was saying that the division into free and slave states could not endure within the United States.
The North were free states and the South were slave states.
The Missouri Compromise of 1820 drew an imaginary slave line at 36 degrees 30 minutes north latitude to separate slave and free states. This compromise aimed to maintain a balance between the number of slave states and free states in the United States.
Nebraska
The slave states were known in the North as "rebel states," but are officially known collectively as the Confederate State of America.
The Union in the American Civil War represented the free states (meaning slave-free states) plus five border slave states in the north of America. The Confederate States of America (the Confederacy) comprised the eleven southern slave states which had seceded from the United States of America.
North wanted the new states to be free states south wanted the new states to be slave states
The five states that were suppliers in the internal slave trade were Virgina, North and South Carolina, and Gerogia.
No they were both slave states.
North of the 36, 30 langitude line could not be slave states