What public school history books often do not tell you is that the KKK was the militant wing of the Democratic Party.
Historian David Barton:
David Barton: Our Public School books have filtered out most of the good changes that American Christians carried out.
The Republican Party in many states such as Texas were founded by black Americans. The KKK was as partisan as it was racist.
Political Arena 
Excellent video posts,watching the past gives us insight into the present. Thanks!
David Barton is an excellent teacher. I could listen to him for hours.
He did really well when he was on Jon Stewart’s Show, he knows his stuff.