Who is responsible for the division in America?

Who is responsible for this division in America?
1) Is it the Church? 2) Is it the Family? 3) Is it the Government? 4) Is it the Different Races? 5) Is it the International Policies? 6) Is it the Education System? 7) Is it the Media?
The devil has victory if he can get us divided in America.
Are we are on the brink of another Civil War?