There is an enormous amount of debate about this. One likely reason is that southern states would probably not have ratified the Constitution if it had purported to take away their ability to own slaves.
the problem was that the constitution sed that everyone should be free but there still was slaves
December 1865 - the Thirteenth Amendment to the Constitution.
The slaves to be free
The slaves held in the United States were officially, fully, and irrefutably set free with the Thirteenth Amendment to the US Constitution. However, this did not mean that the conditions for the former slaves improved in many areas.
Southern states would not approve it.
No. The 13th Amendment to the constitution passed in December 1865 ended slavery.
true
Emancipation proclamation. Also note that it required a constitutional amendment, after the war, to legally free the slaves. The President does not actually have the power to alter the constitution by proclamation alone, and the original constitution did allow slavery.
He advocated burning the constitution because it allowed slavery. He wanted to free all slaves with no compensation to their owners which called for a war on the South.
The Constitution required that runaway slaves who escaped to free states be returned to their owners, establishing the Fugitive Slave Clause. This was part of the compromise made during the drafting of the Constitution between Northern and Southern states to preserve unity. However, the Fugitive Slave Act of 1850 strengthened these provisions, mandating the return of escaped slaves and imposing penalties on those who aided them.
The state that did not free the slaves was Delaware. Kentucky, Maryland, and Missouri did not free slaves either.
free black slaves