Answer:
The Founding Fathers knew that as our country grew it would change, so instead of creating steadfast rules, they created a framework to follow which we call the United States Constitution.
That means that slavery could’ve lasted longer if the south won the Civil War. If the Union hadn’t stayed together – that is, if the United States had broken into two – then it’s likely that other regions of the US would have taken advantage of Confederate secession or would have seceded themselves, either from the then-existing North or the South. So you could certainly see an independent Midwest, and the area from California through to Washington state probably could have made itself its own place. Even within the Confederacy, there were certainly sections like East Tennessee that were vigorously Unionist during the war, and which might have pulled away.
Hopefully this helped.
The correct answer should be the another one Powerful Executive
This was the major part of Jefferson's philosophy, the powerful executive.
to protect and enhance the rights of African Americans
The 13th Amendment ended slavery in the US. The 14th Amendment gave blacks citizenship and established due process. The 15th Amendment gave black men the right to vote.
These three amendments were passed toward the end and following the Civil War. They ended the practice of slavery releasing blacks throughout the South from enslavement. The 14th and 15th Amendments provided rights and Constitutional protect for blacks in addition to giving them the power to vote. However, Southern governments found ways around the amendments to prevent blacks from exercising their full rights.