Which ancient kingdom north of Greece, ruled by Philip II and his son Alexander, came to dominate the Greek world in the 4th century BCE?

• A Thrace
• B Macedonia ✓
• C Epirus
• D Illyria

Macedonia (Macedon), under Philip II's military reforms and diplomacy, became the dominant power in Greece after the Battle of Chaeronea in 338 BCE, with Alexander extending its reach to India.