Jackson is concerned about abusing the power he has been given. Jackson wants to unite the states but does not have enough control of Congress.
Answer:
I dont now hahahahahahahahahahahahaha
Well, people started specializing in things and if they couldn't get something because they didn't know how to make it, they would trade for it. Fast forward 8000 years, companies like Coca Cola make coke and fanta and others can't make it because they're specialized for it. They trade for it with the entire world and other companies make things that Coca Cola owners buy.
Reasserted its power and began aggressive military expansion. Hope that helps!