Here is a good survey of the lies that southerners tell about the war.

In addition to the normal lies, like it not being about slavery, it also reveals that the in almost all the states in question, a majority of the population did not want secession.

Instead, the process was manipulated by the slave holders to get the desired results.

The closer you look at it, the more the myth of the noble lost cause looks like a slimy con game played by the richest people in the south on the average person in the south.