They abolished slavery. Unless you can post something to prove that didn’t happen, you’re wasting FR’s bandwidth.
They were not founded to abolish slavery. Unless you can prove otherwise. Oh wait, you can't. You were simply wrong when you claimed that.
Southerners weren't necessarily wrong. Policies that weren't explicitly calculated to support slavery could be expected to eventually weaken it. That was what the slaveowners thought and feared. Strangely, people who defend the secessionists don't want to admit any of this.