When the Confederacy started & declared war on the United States, they gave the President constitutional authority to declare military "contraband" slaves as freed.
The Brits used the same strategy in the Revolutionary War, though without notable success.
So, why would Confederates be surprised, and why are pro-Confederates like yourself pretending outrage?
Do you think that if you declare war on the United States, you should be treated all the same as a law abiding citizen?
Number 4. Four times I now tell you to read through the thread regarding the messages that demonstrate the Union was invading. Read the series of messages Posted by PeaRidge.