Who conquered the Spartans?
Their land was held in common, farmed by the serf population who were the original holders until the Spartans conquered them and took over the countryside. The Spartans didn't want individual land - the serfs did it all, delivering up half their produce, which allowed the Spartan citizens to concentrate on matters military.
Messenia was in the southwest of the Peloponnesian Peninsula in southern Greece. Sparta was to the east. The Spartans decided to extend their territory and moved into Messenia and successfully conquered it. Having taken over the land, they made the population into serfs, that is the serfs farmed the land and turned over half their produce to Sparta, which allowed the Spartans to devote their time to military training and activities, and keeping control of…
The Messenians. They were not slaves, they were serfs, that is they were required to farm the land and deliver half their produce to Sparta. When the Spartans went to war they took 7 serfs (helots) for each Spartan infantryman to use as light infantry support (and coincidentally reduce the risk of an uprising in the absence of the Spartan warriors). When the Spartans lost many warriors in ongoing wars, they recruited serfs a heavy…
The city-states that they fought and overcame were made into allies, which were expected to turn out and join the Spartans in any war. The exception was Messenia where the Spartans seized their land and turned the populace into serfs, who were expected to give part of their produce to Sparta, and to provide light infantry to the Spartan army in war.
Communist countries such as the Soviet Union followed the ideas of the Spartans. The Spartans were an oppressive force, they were always required to garrison cities they have conquered. The Soviets, just like the Spartans were required to have a heavy military presence in other communist countries because they were disliked by the local population. The Soviets also followed Spartan ideology by creating a very large and powerful military force. Which dictated Spartan society.