The radio talks that U.S. President Franklin D. Roosevelt were a very famous radio talk show. They were called Fireside Chats and they were used to talk to the American population about many things he was doing in order to aid them through the Great Depression.
It was freedom, philosophers argued, that had at Marathon been defended by the Athenians. Because their victory had inspired other Greeks to resist Xerxes, Marathon had been an important battle: in Marathon, the foundations of western civilization had been laid.
The Battle of Marathon was significantbecause it proved to the Greeks that the Persians were not 'invincible', which boosted the moral of the Greek troops, increasing their confidence to incline themselves in a common cause if the Persian attacked again (which they would).
I think it’s:
He married a lady from the south
He withdrew troops from the south