According to Lyndon Johnson, What Was One of the Unintended

According to Lyndon Johnson, what was one of the unintended political consequences of his signing the Civil Rights Act of 1964 into law?

A) White Southerners abandoned the Democratic Party in favor of the Republican Party.
B) Newly registered African Americans voted out congressional Democrats who had voted in favor of this legislation and turned control of Congress over to the Republicans.
C) African American voters in the South remained loyal to Lincoln's Republican Party and continued to support it in future presidential elections.
D) Northern liberals believed the Civil Rights Act did not go far enough in supporting and protecting African American rights, so they left the Democratic Party and established a powerful third party.