The correct answer is B) Significance.
The emotional connotation of the word helps King emphasize the document’s significance.
Martin Luther King delivered the “I have a dream speech” on August 28, 1966, after the march at Lincoln Memorial in Washington D.C. that demanded jobs and freedom. In the famous speech, there were many emotional moments that were very significant. As the text says, the emotional connotation of the underline word helps King emphasize the document’s significance.