I know a lot of history of Dr.King himself. When he said let 'Let freedom ring" he's using Anaphora.
The Scopes Trial reveled a split between the scientific and religious community.
In this case, John T. Scopes was arrested. Scopes, a substitute teacher, was arrested for teaching the students about the theory of evolution. This broke a Tennessee state law, which stated that only creationism should be taught. After he was arrested, Scopes was put on trial.
Many members of the science community supported Scopes, as they see the theory of evolution as an important concept in understanding how humans evolved. On the other hand, members of the religious community wanted Scopes punished. This is because his teachings went against their religious beliefs.
It reduces the per unit fixed cost. As a result of increased production, the fixed cost gets spread over more output than before. It reduces the per unit variable costs. Economies of scale bring down the per unit variable costs.
