Yep thewintershoulder is right. there might be more.
Army was fierce and protective, girls received some education and women had more freedom than in other poleis. First, the army of Sparta was the strongest fighting force in Greece. ... The Spartans believed this made them strong and better mothers.
The author of any textbook will say that there have been three major industrial revolutions. The first industrial revolution was steam industrial revolution, the second one based on coil and the production or major machines with the third happening recently where automated robots have starting to take over different jobs.