Why has Martin Luther King: "I have a dream" speech survived and sounds so topical after 50 years?

This speech was important in several ways: It brought even greater attention to the Civil Rights Movement, which had been going on for many years. After this speech, the name Martin Luther King was known to many more people than before. It made Congress move faster in passing the Civil Rights Act.

indigenous people north and south were displaced, died of disease, and were killed by europeans through slavery, rxpe, and war. in 1491, about 145 million people lived in the western hemisphere. by 1691, the population of indigenous americans had declined by 90-95 percent, or by around 130 million people."