The expedition was mounted by a lot of city-states of which Sparta was but one. The then Greek peoples were called Achaeans or Danaans. And the Spartans of that time were not the same people of later centuries (who were Dorians, who displaced the Achaeans who were then confined to cities on the south of the Gulf of Corinth).
The Achaean Greek invaders.
Which king? There are a number of kings in the Iliad on both sides of the fray. The great king Agamemnon (of Mycenae) is the commander in chief of the Achaean muster. His brother Menelaus is king of Sparta. Nestor of Pylos, Idomeneus of Crete, and Diomedes of Argos are among the other Greek kings. On the Trojan side, King Priam of Troy is commander in chief of the defending forces. The The Thracian king, Rhesus, is among his allies.
Menelaus King of Sparta was a leader of the Greeks.
There were dozens of them - some just for a brief day of glory. The major ones were Agamemnon, Menelaus, Achilles, Odysseus .... Look up the Iliad to get a full list.
The Achaean Greeks looted western Asia Minor and captured the richest city Troy by a stratagem which got a posse of Greeks into the city in a large wheeled wooden horse made in god-like form, the intruders opening the gated in the middle of the night after a Trojan victory party.
Paris was actually the one who started the Trojan War. He stole Menelaus's wife, Helen. King Priam was on his side. The Greeks ended the war by giving them a horse and attacking them. The Greeks ended the war by wining over the war.
Hector sided with his country, Troy, but he did not want the war to take place. He felt that Paris, his brother, was foolish to steal Helen away from Menelaus and risk his country and countrymen in a meaningless war with Greece.
No, Ares/Mars was on the Trojan side.
Hector sided with his country, Troy, but he did not want the war to take place. He felt that Paris, his brother, was foolish to steal Helen away from Menelaus and risk his country and countrymen in a meaningless war with Greece.
Hades took no side in the Trojan War. He took the dead of both sides.
The Greek won the Trojan war
Aphrodite had given Helen to Paris, and thus was committed to their union. Aphrodite fought on the Trojan side. Aeneas was her surviving Trojan son.