Answer:
Most common: metaphors
Other figures were also used, like personification and parallel structures.
Step-by-step explanation:
The most common figurative languages that Martin Luther King used in his speech was metaphors, which, for rethorical effect, refers to one thing while talking about another.
Examples of this were:
-Lonely island of poverty;
- Corners of american society;
- Bank of justice;
Other figures were also used, like personification and parallel structures.