A and b I believe are correct
New inventions would not have been possible without them willing to risk their money to help develop and implement their inventions.
Hope this helps
It was known as the Selective Service Act.
Answer:
Nikola Tesla
Nikola Tesla first discovered resonant coupling during his pioneering experiments in wireless power transfer around the turn of the 20th century, but the possibilities of using resonant coupling to increase transmission range has only recently been explored.
Explanation:
The answer is Presidential government, or a democracy.
