https://www.youtube.com/watch?v=GYAk5jCTQ3s
https://www.youtube.com/watch?v=zhL5DCizj5c
Use this video to learn about inventors and inventions of America
https://www.youtube.com/watch?v=0xTZBn4K2EE
https://www.youtube.com/watch?v=zhL5DCizj5c
Use this video to learn about inventors and inventions of America
https://www.youtube.com/watch?v=0xTZBn4K2EE