Answer:
Explanation:
Henry ford was knows for the assembly line whiched changed the autoobile industry.
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.
I stay informed about political issues through watching news, reading news papers, and even subscribing online to be informed. There are many other ways to be informed about political issues, these are the most common ones.
Because slavery was central to their economy.
