Please help and fast, i have to get this assignment done before sunday

Use evidence from the text to support your answers. Make sure to answer all parts of each question. Use complete sentences, correct grammar, and check your spelling.

1.What is King’s argument (central idea)? How does he effectively communicate this to his audience? Use text to support your answers.

2. Why does the author choose the words “manacles of segregation and chains of discrimination” in paragraph 2? What imagery is he creating? Find at least one more example of imagery in the speech and explain.

will mark most helpful answer as brainliest