Name one example of an American innovation.
Offizielle Antwort
- Light bulb
- Automobile (cars, internal combustion engine)
- Skyscrapers
- Airplane
- Assembly line
- Landing on the moon
- Integrated circuit (IC)
Erklärung
American inventors and industries made widely used advances in electric lighting, automobile production, and steel-frame skyscraper construction. Each changed everyday life or the built environment in the United States and beyond.