A spartan father had no right to decide whether to rear his newly born son or not. He was obliged to take the baby to the elders of his tribe for inspection. Spartan had state-controlled dedication called the agoge. At the age of seven, he was removed from his family and, from his eight to his twenty- first, he was educated by the state by the state according to a rigorous military-like discipline.
Lastly, is they lacked education. The Spartans learned to read and write for purely practical reasons, but all other forms of education they banned from the country, books and treatises being included included in this as much as foreign teachers.It was not allowed to go abroad, so they should have nothing to do with foreign ways and undisciplined modes of living. They did not intend either comedy or tragedy, so that they not hear anyone speak either in earnest or in jest against the laws.
Sparta was a place where they were strong in military. The reason Sparta military was so good because of their perfection of a battle formation called the phalanx .Spartan military was great and strong. But, as you see Sparta had a lot of other weakness. The weakness I showed that were most important was that they abused their boys. The boys were also taken away from their families at a young age. Another weakness is they lacked education. Those weakness outweigh any