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The soild wheel cart was invented in Central Asia by the mesopotamians. The wheels were made of soild wood. -
The Cugnot's steam tractor was invented in France by Nicolas Cugnot. The steam tractor worked by pumping pistons up and down moving the wheels. But the tractor was very heavy and unstable. -
The stephenson rocket was invented in England by Richard Trevithick. In 1829, George Stephenson and his son Robert won a competition to invent the fastest steamtrain. The "rocket" could travel at 48 kph.