Answer:
The term color line was originally used as a reference to the racial segregation that existed in the United States after the abolition of slavery . An article by Frederick Douglass which was titled "The Color Line" was published in the North American Review in 1881.
That is correct the answer is A.
The Civil Rights Act of 1964 allowed the federal government to fight racial discrimination as it was a US labor law that outlawed discrimination based on race, color, religion, sex, or national origin.
To the judicial branch to be interpreted and then the executive enforces laws