The technique that makes both the excerpts effective is an appeal to logic
Explanation:
Dr Kings's speech emphasises how it will benefit the nation , when all of its citizens work together for its progress. In the two excerpts,there is an appeal to the logic of the people.
In the first statement, he emphasises how a nation cannot live alone or how and an individual cannot live alone.
Logic states, if an individual cannot stay alone, that means he has to co exist with other individuals. As a nation is built by people, and a nation cannot live alone , then a nation has to live on with all the people living together in harmony.
The two excerpts become very effective when he uses , appeal to the logic technique in his speech.
