What did Americans invent? What did China invent?

Americans invented many things, as follows: 1. Telephone 2. Light bulb 3. Flight number four. Tv 5. Computer 6. Navigation system (GPS). Internet 8. Mobile phone 9. Social media (Facebook, Twitter, Instagram) 10. Toys (Lego, rainbow rubber bands, China people also invented many things, as follows: 1. Magnetic compass 2. Gunpowder 3 April in the lunar calendar. Movable type printing Paper 6. Porcelain 7. Paint 8. Well location survey 9. Bronze 10. Acupuncture and moxibustion are only some representative achievements invented by the two countries, and both countries have important scientific and technological innovations and inventions in many fields.