Answer:
Geography is the study of earths, land. In this case it is the study of the land of Athens and Sparta. ... It helped Greece because Sparta had good soil so they can grow crops and Athens had trading and each other ideas.
Step-by-step explanation:
Ancient Sparta was located in the southern/center of Peloponnese. This location provided an advantage from both a defensive and agricultural standpoint. Being surrounded by mountains on three sides and able to control the mountain passes other armies could pass through made Sparta a practical fortress