The speech started with a bitter tone: "The black lives on a lonely island of poverty in the midst of a vast ocean of material prosperity," he said shortly after. But in the middle of the speech, wanting to cheer the exhausted and heated crowd, King dropped the papers and ended with the most optimistic statement of the day.
On the other hand the newspaper article has a descriptive tone, perhaps for moments of sadness yearning for the loss of the mass leader, enjoying the flame that left burning and continues to burn in pursuit of human rights and equality.
Sentence structure varies depending on the writer’s purpose.
Explanation:
The factors that affect sentence structure are extremely varied, and they usually depend on the purpose of the author. Texts that are intended to be mostly informative tend to have simpler, more concise, shorter sentences.