The Helots were state-owned serfs of the ancient Spartans.
Answer:
The Supreme Court ruled Japanese Internment Camps as Constitutional
The Korean war lasted about three years but the Korean Armistice Agreement only ceased-fire. It did not end the war.
Meaning that it did not end after three years. It was only announced recently as of 2018 that the war might possibly come to a close after I believe at least over 60 years.
Tropical rainforest, the high mountains and wild rivers were some of the physical obstacles that the Incas faced. They had to build a complex network of roads to link the entire Inca empire. They had messenger stations along these roads so that they could relay their messages, and they built shelters along the way for travelers.
Many Americans thought that the Japanese would fight until the point of complete annihilation.