Answer:
Elon Musk
Explanation:
He has make great research about the space and also helping development new technology and space ships. I think his greatest accomplish will be landing on Mars. He has done so much more but you can look for that yourself.
Jefferson beilives it is the right to overthrow their government
Answer:
I can't really help you do you have a link to the specific book or no.
Explanation:
Answer:
Optimistic. Hope this helps!