Final answer:
Greek city-states such as Miletus, Athens, and Sparta had different characteristics and contributions. Miletus focused on colonization and panhellenism, Athens on trade and democracy, and Sparta on conquest and militarization.
Step-by-step explanation:
The characteristics and contributions of Greek city-states vary depending on the specific city-state. Miletus, located in present-day Turkey, was known for colonization and panhellenism. Athens, the birthplace of democracy, was known for trade and democracy. Sparta, on the other hand, was known for conquest and militarization.