That is because they were rich and wealthy and powerful. They were mill lords because they had their own sugar mills. People had sugar cane farms so they depended on the mill lords to have the sugar milled. That's why the people who owned the sugar mills easily controlled neighborhoods and had a lot of money.
They were allowed to rule for 600 years
The Frontier ended when all of the US was successfully settled one way or another
so True(?) if that is what it means,
hope this helps
Answer:
The upper Mississippi river formed the territory's western boundary. It created the northwest territory. The 1st organized territory of the United states, from the lands of the Appalachian mountains
Explanation: