What a colossal display of historical ignorance. You really think the KKK still identifies with the Democratic party? Are you completely unaware of the shift in party ideologies regarding civil rights?
Support for the 1964 CRA wasn't divided on political lines, it was divided on geographic lines. Northern Democrats and Republicans overwhelmingly supported it; Southern Democrats and Republicans overwhelmingly opposed it.
Civil Rights Act of 1964 - Wikipedia, the free encyclopedia
Note: "Southern", as used in this section, refers to members of Congress from the eleven states that made up the Confederate States of America in the American Civil War. "Northern" refers to members from the other 39 states, regardless of the geographic location of those states.
The original House version:
Southern Democrats: 7–87 (7–93%)
Southern Republicans: 0–10 (0–100%)
Northern Democrats: 145–9 (94–6%)
Northern Republicans: 138–24 (85–15%)
The Senate version:
Southern Democrats: 1–20 (5–95%) (only Ralph Yarborough of Texas voted in favor)
Southern Republicans: 0–1 (0–100%) (John Tower of Texas)
Northern Democrats: 45–1 (98–2%) (only Robert Byrd of West Virginia voted against)
Northern Republicans: 27–5 (84–16%)