Answer:
The repetition of the phrase "This is not just" emphasizes the exploitative actions and arrogant attitude of the Western world.
Step-by-step explanation:
Martin Luther King Jr makes use of the literary device of Anaphora by repeating the phrase "This is not just", He intends to get the audience's attention into the social conflicts that people have to face every day in their lives due to the exploitative actions and arrogant attitude of the Western world.