Answer:
The best answer would be A. The United States invested in science education and created NASA.
True❤️❤️❤️❤️❤️❤️❤️❤️
True true
D. is the answer became independent
Answer:
False
Explanation:
Because Shi Huang Di started the idea and making it then the Han dynasty finished it.
I think it's the telephone because it allows people to communicate better and customers or workers don't have to walk up to everyone and disturb them. You may elaborate more on this with your own opinion