The purpose of King's letter is to cause the Church to fight racial injustice.
As you already know, King was a proponent of equal human rights, for both black, and white people. He wanted the Church to be aware of inequalities in the world and fight racism so as to erase those inequalities.
Answer:
details from the text
Explanation:
it could be details from the text *or* and provide evidence. details from the text seems the most reasonable to me, though
Answer:
i would choose the first one
edit: actually nvm i think its the last one