The ancient city of Troy, located in modern-day Turkey, is famous for the Trojan War, which is believed to have taken place around 1200 BC. According to Greek mythology, the war started after Paris of Troy abducted Helen from Sparta. The conflict lasted for ten years and ended with the ingenious Trojan Horse strategy, allowing the Achaeans to enter the city. Archaeological excavations in the 19th century confirmed the existence of multiple layers of cities on the site, suggesting a long history of settlement. According to Greek mythology, what caused the Trojan War?
A) A dispute over trade routes