A. They both served their masters for life. I think
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:
Food surpluses led to people wanting to visit more. some visitors stayed, cities formed, et.al
The answer is B to limit the amount of money a corporation could donate to a political candidate.
Answer: The Greek kingdom of Macedonia.