Answer:
Political Speech is a type of "freedom of speech", and thus, falls under the protections outlined in the 1st Amendment to the Constitution.
Historically, Political Speech is considered the most valuable form of speech, and has been provided the most protection.
All of the mentioned people are a part of ancient Greece
Leonidas- He was the king of Sparta, a city located in ancient Greece
Philip of Macedon- He was the king of Macedon (ancient Greece) who has its origin from the Argead dynasty
Alexander the Great- Also known as Alexander III he is a popular king known for his conquests around the world.
Cleisthenes- He is a Greek lawmaker who is known for creating the constitution of ancient Greece
Solon- A Greek lawmaker who is known for laying the foundation stone for Greek democracy
Demosthenes- An orator from ancient Greece. He is also known for his statesmanship