They were expressions of religious beliefs
The super continent was named Pangaea.
Answer:
The key point of King's speech was to make an impact on both black and white people about why there should be no segregation.
Explanation:
King use several differnet phrases from The Constitution to prove the point that all people are created equal under God and not just white people. The crowds reactionn was very positive as many were cheering him on for doing something that many had failed to do before. His use of rhetoric is used to convince people that are not allied with him that segregation does no good for anyone and how damaging it is.