I believe that finding the balance of drones would be putting a limit on how many drones a country can use at one time. I'm not sure on the other 2 questions.
Answer:
I think the answer is (C) option
They were written to establish a new government among colonists, they failed bev ause they restricted the economy and provides no public service
The Cold War. There was a build up of arms between the US and USSR.
