Answer:
Martin Luther King struggled against the system fof segregation, it only existed in the South, nevertheless it does not mean that no discrimination struck Black people in the North. This is why he led marches there.
Explanation:
Martin Luther King led marches in the North to protest segregation, hence option (D) is the right answer.
Although Martin Luther King fought against a system of segregation that only existed in the South, this does not mean that Black people in the North were not subjected to prejudice. That is why he organized marches in the area.
In 1966, Martin Luther King Jr. led his civil rights campaign north to address black urban issues, particularly segregation.
For more information about Martin Luther King, refer below
https://brainly.com/question/4048938
