Maryland was forcibly held in the Union by the Union. If left unfettered it would have seceded and most of the population of Maryland wished to secede. Far more Marylanders fought for the Confederacy than fought for the Union.
So basically what you're saying is that you agree and that Maryland (and deleware) were part of the union. Also, what about all 5 of the civilized tribes signing to fight for the confederacy? Kind of messed up for them to join a white power movement isin't it?