He eliminated danger from the cities of the Chalcidian League by destroying its chief member of Olynthus and defeated the Illyrians, also a historical enemy of his people.  Soon after, he crushed the forces of Pherae and gained the leadership of the Thessalian League.  He also built ties with the kingdoms of Epirus, marrying an Epirot princess named Olympias.  This son of Amyntas III consolidated his power by defeating a combined army of Thebans and Athenians at Chaeronea and was planning an invasion of the Persian Empire at the time of his assassination.  FTP, name this man who conquered much of Greece, a Macedonian king and father of Alexan
He eliminated danger from the cities of the Chalcidian League by destroying its chief member of Olynthus and defeated the Illyrians, also a historical enemy of his people.  Soon after, he crushed the forces of Pherae and gained the leadership of the Thessalian League.  He also built ties with the kingdoms of Epirus, marrying an Epirot princess named Olympias.  This son of Amyntas III consolidated his power by defeating a combined army of Thebans and Athenians at Chaeronea and was planning an invasion of the Persian Empire at the time of his assassination.  FTP, name this man who conquered much of Greece, a Macedonian king and father of Alexander the Great.
He eliminated danger from the cities of the Chalcidian League by destroying its chief member of Olynthus and defeated the Illyrians, also a historical enemy of his people.  
Philip II or Philip of Macedon