Luna tried to interject, but Celestia cut her off. “It’s best I explain everything simultaneously; otherwise, we will be here until next week. It started with the small stuff, artistic liberalism, and then the growth of books and literacy. Finally, it moved into industrialisation, which you mentioned changed our world. Coal being a significant discovery. The power of steam and its interactions with mechanical rotary engines. Magic was the stopgap when such things did not work as intended, so things progressed faster than we had initially envisaged.