If you do the process of illumination, it would most certainly be B
The 13th Amendment is to abolish (rid) slavery. I'm not understanding the question as to what the purpose was. Can you be more specific or did you just need to know what it was?
Answer:
Through nonviolent protest, the civil rights movement of the 1950s and '60s broke the pattern of public facilities' being segregated by “race” in the South and achieved the most important breakthrough in equal-rights legislation for African Americans since the Reconstruction period
Explanation: