Prior to the invention of steam-powered railroads, pretty much all locomotion had been muscle-powered. You either walked where you wanted to go or
The Industrial Economy
Bringing the best history on the web. -- From Crash Course, their US History Series, #23. The Industrial Economy, published on July 25,
The Market Revolution
Bringing the best history on the web. -- From Crash Course, their US History Series, #12. The Market Revolution, published on April 26, 2013.In
The Industrial Revolution
Bringing the best history on the web. -- From Crash Course, their World History Series, #32.In which John Green wraps up revolutions month with