The Minoan civilization was crippled from a volcano. So the Mycenaean civilization conquered the Minoans. They got the Minoans land. It was an economic/territorial gain war
The Trojan War started because of a beauty contest. So the Greeks attacked the Trojans. The Greeks won the war. It was an economic gain war.
The Dorians swept down and conquered Greece while it was in disarray from the Trojan War. They became a primitive civilization. The Dorian won the Greeks land. The war was for territorial gain.
The Spartans needed land and food so they took a country. The Spartans conquered an entire country and made the people their slaves. It was an economic gain war/ .
The Persians tried to invade Greece for land. Obviously, that didn't work out well for Persia. It was an economic gain war. It included the battle of marathon.
As a result of the first attempted invasion of Greece the Persians tried again. It was economic gain war. Greece won.
Athens Versus Sparta. All Greece was involved. It was an economic gain war. Athens won.
The Spartans wanted dominance over Greece so the Thebians beat them back. This was a territorial gain war.
The Macedonians VS an alliance of the Greek city states. A territorial gain war.
Alexander the Great was given control of Greece's armies and used them to attempt/conquer Egypt and Persia. It was a territorial gain war.